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This document provides detailed guidance on occupational safety in the zinc wire manufacturing process. You will find protective procedures, preventive measures, and instructions on the use of safety equipment to ensure a safe and efficient working environment. This document was compiled by expert Đoàn Khánh Trọng, who has extensive experience in the field of occupational safety and health. Reading this document helps protect your health and improve your work performance.

Table of Contents

PART I: CURRENT STATE OF SAFETY IN THE ZINC WIRE MANUFACTURING INDUSTRY

I. General Situation

The Ministry of Labour, Invalids and Social Affairs informs sectors and localities of the occupational accident situation in the first 6 months of 2024 and outlines key solutions to proactively prevent incidents and accidents in the last 6 months of 2024. According to reports from 61 out of 63 centrally governed provinces and cities, in the first 6 months of 2024, there were a total of 3,201 occupational accidents nationwide (a decrease of 227 cases, equivalent to 7.09% compared to the same period in 2023), resulting in 3,065 victims (a decrease of 197 people, equivalent to 6.04% compared to the first 6 months of 2023), including both employees under labor contracts and those working without labor contracts. Specifically:

Number of fatal occupational accidents: 320 cases, a decrease of 25 cases (7.25%) compared to the first 6 months of 2023 (including 245 cases in areas with labor relations, a decrease of 28 cases or 10.3%; and 75 cases in areas without labor contracts, an increase of 3 cases or 4.2% compared to the first 6 months of 2023);
Number of deaths due to occupational accidents: 346 people, a decrease of 7 people or 1.98% compared to the same period in 2023 (including 268 in areas with labor relations, a decrease of 13 people or 4.63%; and 78 in areas without labor contracts, an increase of 6 people or 8.33%).
Number of people seriously injured: 810 people, an increase of 26 people or 3.32% compared to the first 6 months of 2023 (including 710 in areas with labor relations, a decrease of 5 people or 0.7%; and 100 in areas without labor contracts, an increase of 31 people or 44.92%).

Download the PDF file Occupational Accident Report – First 6 Months of 2024 issued by the Ministry of Labour, Invalids and Social Affairs.

The occupational accident situation in the first 6 months of 2024 in both sectors with and without labor relations saw a decrease in the number of deaths and fatal accidents compared to the same period in 2023.

II. Some Occupational Accidents in Zinc Wire Manufacturing Plants

Occupational accidents in zinc wire manufacturing plants often occur due to the complex and hazardous working environment. These incidents not only cause property damage but also seriously affect the health and lives of workers. Below are some typical occupational accidents in this industry:

1. Accidents due to wire drawing machines

One of the biggest risks in a zinc wire manufacturing plant is from the wire drawing machine. The wire drawing machine operates at high speed and high tension, which can easily cause serious accidents if not operated correctly.

Typical case: A worker at a factory in Binh Duong was caught in the wire drawing machine while performing maintenance. The cause was determined to be the worker not completely shutting down the machine before performing the work, leading to being caught in the machine’s gears and suffering serious injuries.

2. Accidents due to broken zinc wire

Zinc wire during the production and processing process can break due to excessive tension or poor material quality. When the zinc wire breaks, it can whip into workers at high speed, causing serious injuries.

Typical case: At a factory in Hai Phong, a worker was struck in the face by a zinc wire while checking the wire drawing machine. The serious injury caused the worker to lose one eye and suffer severe facial injuries.

3. Accidents due to chemicals

During the production of zinc wire, many types of chemicals are used to clean and treat the surface. Direct contact or inhalation of these chemicals can cause poisoning or chemical burns.

Typical case: At a factory in Dong Nai, a group of workers were poisoned by inhaling chlorine gas during the surface treatment of zinc wire. They had to be hospitalized and treated, with two of them suffering serious respiratory effects.

4. Accidents due to fire and explosion

Zinc wire manufacturing plants often have a high risk of fire and explosion due to the use of many electrical devices and flammable chemicals. Any minor incident can lead to a major disaster.

Typical case: At a factory in Ho Chi Minh City, an explosion occurred when a welding machine generated sparks near a chemical storage area. The explosion caused significant property damage and left many workers with burns, including three who were seriously injured.

5. Accidents due to falls from heights

Maintenance and inspection of machinery systems in zinc wire manufacturing plants often require workers to work at heights. Falls from heights can cause death or serious injury.

Typical case: A worker at a factory in Da Nang died after falling from a height of 10 meters while inspecting the suspension system of a wire drawing machine. The cause was determined to be the worker not using full protective equipment.

These accidents show the importance of complying with occupational safety procedures and using personal protective equipment in zinc wire manufacturing plants. Training and raising awareness of occupational safety need to be emphasized to minimize risks and protect workers’ health.

PART II: OCCUPATIONAL SAFETY AND HEALTH WHEN WORKING IN A ZINC WIRE MANUFACTURING PLANT

I. Occupational safety and health for melting and casting workers

1. Job characteristics of melting and casting

The job of melting and casting is an important part of the zinc wire production process. This process begins with feeding raw materials into a melting furnace at very high temperatures to transform them into a liquid form. This is a stage that requires high skill and care, because high temperatures and liquid metal materials can be dangerous if not handled properly. Workers need to be fully equipped with protective equipment and strictly adhere to occupational safety regulations.

After the metal has been melted into a liquid, it will be poured into molds to form steel ingots. These molds are designed to shape the liquid metal into ingots with specific sizes and shapes, suitable for the requirements of each subsequent production stage. The pouring of liquid metal into the mold also requires skill and precision to ensure that the steel ingots are of uniform quality and free of defects.

The steel ingots after being cast will be an intermediate form before being drawn into zinc wire. Depending on the production requirements, these ingots may have different shapes and sizes. This process not only requires the high precision and skill of the craftsman but also needs strict control to ensure safety and efficiency throughout the entire production process.

2. Types of occupational accidents during melting and casting

The process of melting and casting in zinc wire production carries many risks of occupational accidents due to high temperatures and liquid metal materials. Workers can suffer severe burns if they do not use protective equipment correctly or do not follow safety procedures. Handling liquid metal also requires a high degree of concentration, as a small mistake can lead to a serious accident.

In addition to the risk of burns, accidents can occur when liquid metal is poured into the mold. If this process is not done carefully, the liquid metal can spill out, posing a danger to surrounding workers. Furthermore, exposure to hot metal vapors can also be harmful to the respiratory tract and skin of workers, increasing the risk of occupational diseases.

The steel ingots after being cast can also cause accidents if not handled and transported properly. Heavy and hot steel ingots can cause serious injuries if they fall or collide with workers. To minimize risks, strict safety measures need to be applied, including training in safe handling skills, use of personal protective equipment, and adherence to standard operating procedures.

3. Causes of occupational accidents when melting and casting

The main cause of occupational accidents when melting and casting is often related to the handling of high temperatures and liquid metal. One of the common causes is the failure to comply with occupational safety procedures. Workers may not be fully trained or may not strictly adhere to safety regulations, leading to direct contact with high temperatures and liquid metal causing severe burns.

Equipment failure is another important cause. Melting furnaces and molds, if not properly maintained, can malfunction, causing liquid metal leaks or failures during the casting process. These incidents can occur unexpectedly, leaving workers unable to react in time, leading to serious accidents. Therefore, regular inspection and maintenance of equipment is extremely important to ensure safety.

The human factor also plays an important role in causing occupational accidents. Fatigue, lack of concentration, or insufficient experience of workers can lead to errors during work. Haste or pressure to complete work quickly can also cause workers to ignore necessary safety measures. To minimize risks, it is necessary to have strict management and support from the company, ensuring a safe working environment and raising occupational safety awareness for all employees.

4. Preventive measures against occupational accidents when melting and casting

To prevent occupational accidents when melting and casting, training occupational safety for employees is a core element. Employees need to be thoroughly trained on safe work procedures, including how to handle high temperatures and liquid metal correctly. Clear understanding and strict adherence to safety regulations will help minimize the risk of accidents during production.

In addition, the provision of full and appropriate personal protective equipment is necessary. Workers should use heat-resistant gloves, protective masks, and fire-resistant jackets when working with furnaces and liquid metal. Regular inspection and maintenance of equipment is also an important measure. Ensuring that the furnace and molds are working well will reduce the risk of leaks and incidents, helping to create a safer working environment.

Finally, maintaining a clean and organized work environment is also an important factor in preventing occupational accidents. Walkways and work areas should be kept tidy to avoid slipping and collisions. Additional preventive measures, such as installing a warning system and establishing an emergency procedure, are also very necessary. Regular occupational safety training helps employees to be always ready to deal with unexpected situations and ensure their own safety and that of their colleagues.

5. Occupational safety regulations for melting and casting

Occupational safety regulations for melting and casting are designed to ensure the health and safety of workers during their work with high temperatures and liquid metal. First, workers need to be fully equipped with personal protective equipment such as heat-resistant gloves, fire-resistant jackets, protective masks, and safety shoes. The proper and full use of this equipment helps to minimize the risk of burns and other injuries.

In addition to protective equipment, safety regulations also require employees to strictly adhere to safe work procedures. This includes a thorough inspection of equipment before use, ensuring that the furnace and molds are working correctly. All operations during the melting and casting process must be performed according to detailed instructions, avoiding hazardous actions such as careless pouring of liquid metal or overloading.

Regular occupational safety training is mandatory to raise the awareness and safety skills of employees. These training sessions help workers update their knowledge, better understand potential hazards, and how to handle emergencies. At the same time, regular safety inspections also help to ensure that all safety regulations are strictly adhered to, creating a safe and effective working environment for everyone.

6. Handling emergency occupational accidents when melting and casting

Handling emergency occupational accidents when melting and casting requires a quick and accurate response to ensure the safety of workers and minimize damage. First and foremost, when an incident occurs, workers must immediately stop all activities and sound the alarm for the entire work area. The alarm system and emergency measures must be activated to alert everyone and require them to leave the hazardous area quickly and safely.

Next, timely first aid is very important in these situations. If someone is burned or injured by liquid metal, basic first aid measures such as cooling the burn with clean water, bandaging the wound, and calling for an ambulance immediately should be applied. At the same time, workers should be instructed on basic first aid measures in occupational safety training sessions so that they can respond effectively when an accident occurs.

II. Occupational safety and health for cold rolling workers

1. Job characteristics of cold rolling

The cold rolling job plays an important role in the zinc wire production process. After the steel ingots have cooled, they are fed into a rolling machine to be rolled into longer and thinner steel bars. This process helps to shape and reduce the size of the ingots, preparing them for the next stages of production. Workers need to control the machine precisely to ensure the product quality meets the requirements.

During the rolling process, attention to detail is essential. The steel ingots need to be carefully placed into the rolling machine, ensuring they are properly aligned for a smooth rolling process. Adjusting the technical parameters of the rolling machine is also very important to achieve the desired thickness and shape. The operator must regularly check and adjust the machine to ensure the best operating performance and to avoid breakdowns or errors.

This job requires workers to have high skills and expertise, and to strictly adhere to occupational safety regulations. Because the rolling machine operates with a very large force, any carelessness can lead to serious accidents. Occupational safety training and the use of protective equipment are important measures to protect workers, ensuring safety and efficiency in the production process.

2. Types of occupational accidents in the cold rolling process

The cold rolling process, although important, carries many risks of occupational accidents. One of the common accidents is accidents due to the rolling machine. The steel rolling machine operates with great force, and if workers are not careful or do not follow safety procedures, they can be caught in the machine or injured by impact with the machine parts. This is especially dangerous when operating manually or when the equipment is not properly maintained.

In addition to accidents from machinery, workers can also be injured by the steel ingots. After rolling, steel ingots often have sharp edges and are still hot. If proper protective equipment is not used, workers can easily get burned or cut while handling these steel bars. Failure to follow safety measures such as wearing heat-resistant gloves, safety glasses, and protective clothing can lead to serious injuries.

In addition, accidents can occur due to an unsafe working environment. Slippery floors, cramped workspaces, and unreasonable machine layout all contribute to an increased risk of accidents. Workers need to be thoroughly trained in occupational safety and must regularly inspect and maintain the equipment to ensure a safe working environment. Maintaining safety discipline and following proper work procedures are important measures to minimize accidents in the cold rolling process.

3. Causes of occupational accidents during cold rolling

The main cause of occupational accidents during cold rolling often stems from the failure to follow occupational safety procedures. Workers may lack experience or not be fully trained on how to operate the rolling machine. This leads to errors in the operation process, such as improper placement of the steel ingot or failure to perform a thorough inspection before operating the machine, which can cause serious accidents.

In addition, equipment failure is also a common cause of accidents. The rolling machine, if not regularly maintained, is prone to malfunctions and breakdowns during operation. This can lead to accidents such as the steel ingot getting stuck, the rolling machine stopping suddenly, or parts of the machine not working correctly. To prevent this, regular inspection and maintenance of the equipment should be carried out to ensure the machine is always in good working order.

4. Preventive measures against occupational accidents during cold rolling

To prevent occupational accidents during cold rolling, it is crucial to adhere to occupational safety measures. First, it is necessary to ensure that all workers are thoroughly trained on the operating procedures of the rolling machine and the necessary safety measures. Regular training helps to raise the awareness and skills of workers, reducing the risk of accidents.

The use of personal protective equipment is an indispensable measure to prevent accidents. Workers should be equipped with heat-resistant gloves, safety glasses, and protective clothing to protect themselves from hazards such as sharp edges of the steel ingot and high temperatures. In addition, it is necessary to conduct regular occupational environmental monitoring to ensure safe working conditions, such as checking the floor, lighting, and workspace to promptly address potential issues.

Regular maintenance of equipment and machinery is also a key factor in preventing accidents. The steel rolling machine needs to be regularly inspected and maintained to ensure stable and safe operation. Any minor issues need to be addressed immediately to avoid serious consequences. Combined with occupational environmental monitoring, this helps to maintain a safe working environment, reduce the risk of accidents, and protect the health of workers.

5. Occupational safety regulations for cold rolling

Occupational safety regulations for cold rolling play an important role in protecting workers and ensuring a safe production process. First, workers must be fully equipped with personal protective equipment such as heat-resistant gloves, safety glasses, and protective clothing. This helps to reduce the risk of injury from the sharp edges of the steel ingot and the high temperatures during the rolling process.

In addition, safety regulations require workers to strictly adhere to safe work procedures. Before starting work, the machine needs to be thoroughly inspected to ensure it is operating normally. All operations of the rolling machine must be performed according to the correct instructions to avoid errors and potential accidents. In particular, during work, it is not allowed to arbitrarily adjust the machine or bypass the specified safety steps.

Regular occupational safety training is mandatory to raise the awareness and skills of workers. These training sessions help employees better understand potential hazards and how to handle emergency situations. In addition, the company needs to establish a system for reporting accidents and incidents to promptly address and learn from the situations that have occurred. The combination of training, protective equipment, and safe work procedures will create a safe and effective working environment for the cold rolling process.

6. Handling emergency occupational accidents during cold rolling

Handling emergency occupational accidents during cold rolling requires a quick and accurate response to ensure the safety of workers. When an accident occurs, the first step is to immediately stop the rolling machine and sound the emergency alarm system. This helps to alert those around and prevent the situation from becoming more serious. Nearby workers must leave the hazardous area safely and quickly.

Next, first aid for the victim is extremely important. If a worker is injured, such as being cut by the sharp edge of a steel ingot or being caught in the machine, it is necessary to provide immediate first aid. For cuts, the wound should be cleaned and bandaged; for more serious cases, the victim should be kept stable and emergency services should be called for timely medical assistance. At the same time, there should be on-site personnel trained in first aid to effectively handle emergency situations.

After the emergency situation has been controlled, it is necessary to investigate the cause of the accident and take preventive measures to avoid recurrence. This includes reviewing the work process, inspecting the equipment, and evaluating the working conditions. The investigation results should be widely communicated to raise safety awareness among all employees. Regular training sessions are also an important factor to ensure that everyone is familiar with the procedures for handling emergency situations and protecting their own safety and that of their colleagues.

III. Occupational safety and health for wire drawing workers

1. Job characteristics of wire drawing

The wire drawing job is an important stage in the zinc wire production process, starting with feeding the steel bars through a series of wire drawing dies. Each die has a gradually smaller diameter, helping to gradually reduce the size of the steel bar until the desired diameter is achieved. This process not only requires precision but also needs strict technical control to ensure the zinc wire achieves the highest quality.

Controlling the speed and pulling force is a key factor in the wire drawing process. The pulling speed must be adjusted to suit the properties of the material to avoid damaging the wire or causing unwanted deformation. At the same time, the pulling force also needs to be monitored and adjusted continuously to maintain a reasonable tension, helping the zinc wire achieve high durability and accuracy. Automated measuring and testing equipment is often used to assist in this, ensuring a smooth and efficient production process.

Workers involved in the wire drawing process need to have high professional skills and a deep understanding of the technical process. Strict adherence to occupational safety regulations is mandatory to avoid unfortunate accidents. At the same time, attention to detail and the ability to react quickly to unusual situations will help ensure that the final product meets the quality standards and technical requirements set.

2. Types of occupational accidents in the wire drawing process

The wire drawing process, although an important part of zinc wire production, carries many risks of occupational accidents. One of the common accidents is accidents from being caught by the wire drawing machine. The wire drawing machine operates with strong force and high speed, and if workers are not careful or do not use proper protective equipment, they can be caught in the machine, leading to serious injuries.

In addition, accidents can occur from sudden wire breakage. When the steel wire is over-tensioned or encounters a defect during the drawing process, it can break and fly out, posing a danger to surrounding workers. The broken wire strands can cause deep cuts or even more serious injuries if there is a strong impact. Controlling the pulling force and continuously monitoring the condition of the wire is very important to minimize this risk.

Problems related to machinery can also lead to accidents. Technical issues such as a sudden breakdown of the wire drawing machine or an error in the control system can lead to dangerous situations. Workers need to be thoroughly trained to know how to react quickly and correctly in case of an incident. At the same time, regular maintenance and inspection of the machinery is essential to ensure safety throughout the wire drawing process.

3. Causes of occupational accidents during wire drawing

The causes of occupational accidents during wire drawing often stem from non-compliance with safety and technical procedures. One of the main causes is the lack of experience or carelessness of the workers. When operating the wire drawing machine without ensuring safety measures, workers can be caught in the machine or injured by fast-moving parts. The lack of training or regular occupational safety training also increases the risk of accidents.

In addition, equipment failure is another significant cause. The wire drawing machine needs regular maintenance to ensure stable and safe operation. However, if the maintenance process is not performed correctly, the machine may malfunction, break down suddenly, leading to dangerous situations. Wire breakage or failure in the control system can cause serious accidents, affecting the health of workers.

The working environment also plays an important role in causing accidents. An unsafe working environment, such as a cramped space, poor lighting, or a slippery floor, all contribute to an increased risk of accidents. At the same time, work pressure and fatigue can also reduce the concentration and alertness of workers, leading to errors and unwanted accidents. To minimize risks, it is necessary to combine skills training, regular equipment maintenance, and improvement of working conditions.

4. Preventive measures against occupational accidents during wire drawing

Preventing occupational accidents during wire drawing requires strict adherence to occupational safety measures. First, workers need to be thoroughly trained on the operating procedures of the wire drawing machine and safety measures. Regular training helps to raise the awareness and skills of employees, ensuring they know how to handle dangerous situations and minimize the risk of accidents.

The use of personal protective equipment is necessary to protect workers. Equipment such as gloves, safety glasses, and protective clothing helps to reduce the risk of injury from being caught by the machine, as well as protection from broken wire fragments or sudden impacts. In addition, it is necessary to inspect and maintain the machinery regularly to ensure the equipment operates stably and safely. Any technical issues need to be addressed immediately to avoid causing accidents.

Finally, maintaining a safe working environment is an important factor in preventing accidents. It is necessary to ensure the work area is clean, well-lit, and spacious. The floor should be kept dry and free of obstacles to avoid slipping. At the same time, the work pressure should be managed reasonably, helping workers maintain concentration and alertness during work. The combination of training, protective equipment, and equipment maintenance will create a safe and effective working environment.

5. Occupational safety regulations for wire drawing

Perform tests at occupational safety training centers to obtain a certificate of occupational safety training. This will ensure that workers are well-versed in safety knowledge and have valid certification for their work.

Occupational safety regulations for wire drawing aim to ensure the safety of workers and the quality of the product. First, all workers must be fully equipped with personal protective equipment, including gloves, safety glasses, and protective clothing to protect against hazards during work. The proper and full use of this equipment helps to minimize the risk of injury and occupational accidents.

In addition, safety regulations require employees to strictly adhere to the operating procedures of the wire drawing machine. Before starting work, the machine needs to be thoroughly inspected to ensure there are no breakdowns or technical errors. During operation, workers must adjust the speed and pulling force carefully to avoid breaking the wire or causing unwanted deformation. All operations must be performed according to the correct technical instructions to ensure safety and efficiency.

6. Handling emergency occupational accidents during wire drawing

Handling emergency occupational accidents during wire drawing requires a quick and accurate response to ensure the safety of workers. When an accident occurs, the first step is to immediately cut off the power to the wire drawing machine to prevent the situation from becoming more serious. This helps to immediately stop the machine’s operations, minimizing the risk of further injury to workers.

Next, it is necessary to provide first aid to the victim quickly and effectively. If a worker is injured, such as being cut or caught in the machine, it is necessary to perform basic first aid measures such as stopping the bleeding, bandaging the wound, and keeping the victim in a stable condition. At the same time, an ambulance should be called immediately to ensure the victim is taken to a medical facility as quickly as possible. The presence of on-site personnel trained in first aid is very necessary in these situations.

After handling the emergency situation, it is necessary to investigate and assess the cause of the accident to improve work procedures and enhance occupational safety. At the same time, retraining sessions should be organized to raise the safety awareness and skills of all employees. Learning from incidents and applying effective preventive measures will help minimize the risk of future accidents, creating a safe and sustainable working environment.

IV. Occupational safety and health for surface treatment workers

1. Job characteristics of surface treatment

The job of surface treatment of zinc wire is an important step in the production process, ensuring the quality and durability of the final product. This process begins with rust removal, in which the zinc wire after drawing often has a dirty surface and an oxide layer that needs to be removed. Using chemicals such as sulfuric acid or hydrochloric acid, the surface of the zinc wire is effectively cleaned, removing impurities and accumulated iron oxides.

After rust removal, the zinc wire needs to be thoroughly rinsed to completely remove any remaining chemicals on the surface. The rinsing process usually uses water to ensure that no acid residue remains on the zinc wire, avoiding affecting the quality and functionality of the final product. A thorough rinse also helps protect the zinc wire from corrosion or unwanted chemical reactions later.

The characteristics of the surface treatment job require care and strict adherence to occupational safety procedures. Workers need to be fully equipped with personal protective equipment such as gloves, safety glasses, and chemical-resistant clothing to ensure safety when working with strong rust removers. At the same time, an effective ventilation and waste treatment system is needed to protect the working environment and the health of workers. The correct execution of the surface treatment steps not only ensures the quality of the zinc wire but also improves production efficiency and occupational safety.

2. Types of occupational accidents during surface treatment

The process of treating the surface of zinc wire, especially rust removal and cleaning, carries many risks of occupational accidents. One of the common accidents is chemical burns, from direct contact with strong acids such as sulfuric acid or hydrochloric acid. These chemicals can cause serious burns to the skin and eyes if workers do not use proper protective equipment or are careless in their operations.

In addition to chemical burns, inhaling acid vapors is also a significant concern. When chemicals are used in the rust removal process, they can generate toxic vapors, which can irritate or damage the respiratory tract of workers. Working in a poorly ventilated environment or not using a protective mask can lead to serious health problems, from pneumonia to long-term damage to the respiratory system.

Slip and fall accidents are also a common risk during surface treatment. The work areas often have water and chemicals spilled, making the floor slippery. Workers can easily slip and fall and be injured if they are not careful or do not wear non-slip shoes. To minimize this risk, it is necessary to keep the work area clean, dry, and use appropriate preventive measures, such as using non-slip mats and regularly inspecting and cleaning the floor. Ensuring occupational safety through preventive measures and proper training is a key factor in reducing accidents during surface treatment.

3. Causes of occupational accidents during surface treatment

The main cause of occupational accidents during the surface treatment of zinc wire is often related to the failure to follow occupational safety procedures. One of the common causes is the carelessness or inexperience of the workers. When working with strong chemicals such as sulfuric acid or hydrochloric acid, the failure to use proper personal protective equipment or incorrect operation can lead to serious accidents, such as chemical burns or inhalation of toxic vapors.

Equipment failure is also an important cause of accidents. Chemical storage tanks, piping systems, and processing equipment, if not regularly inspected and maintained, can malfunction, causing leaks or chemical spills into the working environment. These incidents not only pose a direct danger to workers but also create an unsafe working environment, increasing the risk of accidents.

An unsafe working environment also contributes to accidents. Slippery floors due to chemicals and water, cramped workspaces, or poor ventilation can all increase the risk of accidents. When the working environment is not kept clean and safe, workers can easily slip and fall or come into contact with toxic chemicals. To minimize risks, it is necessary to have strict management, ensuring the working environment is always clean, safe, and equipped with the necessary protective equipment. Regular occupational safety training also helps to raise the awareness and skills of workers, minimizing the risk of accidents.

4. Preventive measures against occupational accidents during surface treatment

Complete occupational safety training to be issued a Group 3 occupational safety card by the occupational safety training center to strengthen the record as required when working.

Preventing occupational accidents during the surface treatment of zinc wire requires strict adherence to occupational safety measures. First, it is necessary to fully equip workers with personal protective equipment. Workers should use gloves, safety glasses, chemical-resistant jackets, and masks to protect themselves from the harmful effects of sulfuric acid and hydrochloric acid. It is important to ensure that all protective equipment meets standards and is regularly inspected to ensure its effectiveness.

Management and maintenance of equipment is also an important measure to prevent accidents. Chemical storage tanks, piping systems, and related equipment should be regularly inspected and maintained to avoid leaks or breakdowns. Regular inspection helps to detect potential problems early and to address them promptly, ensuring a safe working environment. In addition, emergency response measures should be in place in case of an incident.

5. Occupational safety regulations for surface treatment

Occupational safety regulations for the surface treatment of zinc wire are extremely important to protect the health and ensure the safety of workers. First, all employees must be fully equipped with personal protective equipment including gloves, safety glasses, chemical-resistant jackets, and respirators. This equipment must meet safety standards and be regularly inspected to ensure its effectiveness in protecting workers from the effects of chemicals such as sulfuric acid and hydrochloric acid.

In addition to protective equipment, safety regulations also require workers to strictly adhere to safe work procedures. Before starting work, all equipment and tools must be thoroughly inspected to ensure there are no malfunctions or breakdowns. During the rust removal and cleaning process, continuous supervision is needed to detect and promptly handle any unusual situations. The correct implementation of the steps and adherence to safety guidelines helps to minimize the risk of occupational accidents.

Regular occupational safety training is mandatory to raise the awareness and safety skills of employees. These training sessions help workers update their knowledge, better understand potential hazards, and how to handle emergencies. In addition, a system for reporting and handling incidents is needed to promptly address and learn from the situations that have occurred. The combination of using protective equipment, adhering to work procedures, and regular training will create a safe and effective working environment in the surface treatment of zinc wire.

6. Handling emergency occupational accidents during surface treatment

Handling emergency occupational accidents during the surface treatment of zinc wire requires a quick and effective response to ensure the safety of workers. When an incident occurs, the first step is to immediately stop the processing equipment and system to prevent the spread of chemicals. This helps to minimize the risk to surrounding workers and prevent the situation from becoming more serious.

Next, it is necessary to provide emergency first aid to the victim. If a worker is burned by chemicals, the affected area should be immediately rinsed with clean water for at least 15 minutes to remove the remaining chemicals on the skin. For more serious cases, an ambulance should be called immediately and the medical staff should be informed so that they can prepare adequate emergency equipment. Proper and timely first aid can minimize injury and the risk of complications.

Finally, after the emergency situation has been controlled, it is necessary to investigate the cause of the accident and assess the extent of the damage. This helps to identify measures to improve work procedures and enhance occupational safety in the future. At the same time, retraining sessions should be organized to raise the awareness and skills of workers, ensuring that they know how to handle emergency situations and protect the safety of themselves and their colleagues. Careful preparation and strict management will help to minimize the risk and consequences of occupational accidents.

V. Occupational safety and health for galvanizing workers

1. Job characteristics of galvanizing

The galvanizing job is an important stage in the production of steel wire, helping to enhance the durability and corrosion resistance of the product. The hot-dip galvanizing method is the process of dipping the steel wire into a molten zinc bath. When the steel wire is dipped into the bath, the molten zinc will adhere to the surface and form a protective layer. This zinc coating helps to prevent oxidation and corrosion, thereby extending the life of the product, especially in harsh environments.

The electro-galvanizing method is another option for creating a zinc coating. In this process, the steel wire is placed in a tank containing a zinc solution and a voltage is applied. This voltage causes the zinc ions in the solution to adhere to the surface of the steel wire, forming a coating. This method allows for more precise control over the thickness and uniformity of the coating, making it suitable for applications requiring high quality and a smooth finish.

Both galvanizing methods require careful attention to occupational safety and technical procedures. Workers need to be fully equipped with personal protective equipment such as heat-resistant gloves, safety glasses, and chemical-resistant jackets. At the same time, controlling the temperature, solution concentration, and voltage is very important to ensure the quality of the coating and the safety of the production process. The combination of advanced technology and strict control procedures helps to create high-quality and durable galvanized products.

2. Types of occupational accidents during galvanizing

The galvanizing process, whether hot-dip galvanizing or electro-galvanizing, carries many risks of occupational accidents. In the hot-dip galvanizing method, one of the most common accidents is burns from contact with molten zinc. The high temperature of the zinc bath can cause serious burns if workers do not use proper protective equipment or are careless during work. In addition, handling heavy and hot steel wire also requires great care to avoid mechanical injuries.

The electro-galvanizing method is also not without danger. One of the main risks is electric shock from contact with the high-voltage current used in the plating process. If the electrical system is not well insulated or if workers do not follow safety procedures, electric shock can occur, causing serious health consequences. Furthermore, the chemicals used in the plating solution can cause skin or respiratory irritation if exposed for a long time without proper protective measures.

In addition to the direct risks, the working environment in the galvanizing process can also cause indirect accidents. Slippery floors due to chemicals or water, cramped workspaces, and poor ventilation all increase the risk of accidents. Workers can slip and fall or inhale toxic chemical vapors, leading to serious health problems. To minimize risks, it is extremely important to follow safety regulations, use personal protective equipment, and maintain a safe working environment.

3. Causes of occupational accidents during galvanizing

The causes of occupational accidents during galvanizing often stem from the failure to follow occupational safety procedures. During the hot-dip galvanizing process, workers can be burned from contact with molten zinc if they do not use proper protective equipment such as heat-resistant gloves and safety glasses. Handling heavy and hot steel wire also requires great care, and any carelessness can lead to serious injuries.

Equipment failure is another significant cause. In electro-galvanizing, the electrical system and plating equipment need to be regularly inspected and maintained to ensure safe operation. A poorly insulated or faulty electrical system can pose a risk of electric shock to workers. In addition, the zinc solution and other chemicals used in the plating process, if not managed and handled properly, can cause skin or respiratory irritation, especially when the ventilation system is not guaranteed.

The working environment also plays an important role in causing accidents. Slippery floors due to chemicals or water, cramped workspaces, and poor ventilation increase the risk of accidents. Workers can slip and fall or inhale toxic chemical vapors, leading to serious health problems. To minimize risks, it is necessary to have strict management, ensure the working environment is always clean, safe, and in full compliance with occupational safety measures.

4. Preventive measures against occupational accidents during galvanizing

Preventing occupational accidents during galvanizing requires strict adherence to occupational safety measures and technical procedures. First, workers need to be fully equipped with personal protective equipment such as heat-resistant gloves, safety glasses, and chemical-resistant jackets. For the hot-dip galvanizing process, the proper use of this protective equipment will help minimize the risk of burns and injuries from contact with molten zinc.

Regular management and maintenance of equipment is an important measure to ensure safety in the electro-galvanizing process. The electrical system and plating equipment should be regularly inspected to detect and promptly address any potential issues. In addition, the ventilation system must be designed and maintained effectively to remove chemical vapors and ensure fresh air in the work area. This helps to prevent the risk of electric shock and protect the health of workers from toxic substances.

5. Occupational safety regulations for galvanizing

Occupational safety regulations for galvanizing are designed to ensure a safe working environment and protect the health of workers. First, for the hot-dip galvanizing process, workers must be fully equipped with personal protective equipment such as heat-resistant gloves, safety glasses, and chemical-resistant jackets. The strict adherence to the correct wearing and use of protective equipment is mandatory to minimize the risk of burns and injuries from contact with molten zinc.

For the electro-galvanizing method, occupational safety regulations require regular inspection and maintenance of the electrical system and plating equipment to ensure stable and safe operation. Workers must strictly adhere to the operating procedures of the equipment, especially when working with high-voltage current. The ventilation system must be maintained effectively to remove chemical vapors and ensure fresh air, helping to prevent the risk of inhaling toxic substances.

6. Handling emergency occupational accidents during galvanizing

Handling emergency occupational accidents during galvanizing requires a quick and accurate response to ensure the safety of workers. When an incident occurs in the hot-dip galvanizing process, the first step is to immediately shut off the molten zinc supply and turn off related equipment to prevent the situation from becoming more serious. If a worker is burned by contact with hot zinc, it is necessary to quickly move the victim out of the hazardous area and immediately rinse the burned area with clean water for at least 15 minutes, then bandage it and take them to the nearest medical facility for timely treatment.

In the case of electro-galvanizing, if an incident related to electricity occurs, it is very important to immediately cut off the power source to prevent the risk of electric shock. If a worker is electrocuted, it is necessary to check the victim’s condition and perform basic first aid measures such as artificial respiration or CPR if necessary. At the same time, an ambulance should be called immediately to ensure the victim receives timely medical care. In addition, contact with chemicals in the plating solution also needs to be handled quickly by rinsing the affected area and ensuring the victim receives medical assistance.

Finally, after the emergency situation has been controlled, it is necessary to investigate the cause of the accident and assess the extent of the damage. This helps to identify measures to improve work procedures and enhance occupational safety in the future. In addition, retraining sessions should be organized to raise the awareness and skills of workers on how to handle emergency situations, ensuring they know how to protect their own safety and that of their colleagues. Careful preparation and strict management will help to minimize the risk and consequences of occupational accidents.

VI. Occupational safety and health for wire cutting and coiling workers

1. Job characteristics of cutting and coiling

The job of cutting and coiling zinc wire is the final step in the production process, ensuring the product meets size requirements and is convenient for transportation. The wire cutting process requires high precision, as the wire segments need to have a specific length according to customer requirements or production standards. Workers must use specialized cutting machines and ensure that all technical parameters are adjusted correctly to achieve accurate results.

After cutting, the zinc wire segments are moved to the coiling stage. The coiling process not only facilitates transportation but also protects the wire from damage during storage and use. Automated coiling machines are often used to ensure the wire coils are wound tightly and evenly, saving space and optimizing the transportation process. Workers must closely monitor this process to ensure no errors occur, and periodically inspect to detect problems early.

Both cutting and coiling stages require workers to strictly adhere to occupational safety regulations. The use of proper protective equipment such as gloves and safety glasses is mandatory to protect against hazards such as the sharp edges of the zinc wire and powerful machinery. At the same time, it is necessary to ensure that the work area is always clean and tidy to avoid accidents. Precision and safety in each stage not only ensure product quality but also protect the health and safety of workers.

2. Types of occupational accidents during cutting and coiling

The process of cutting and coiling zinc wire, although the final stage of production, still carries many risks of occupational accidents. One of the common accidents when cutting wire is injury from contact with the sharp cutting blade. Workers can suffer cuts to their hands or fingers if they do not use proper protective equipment or are not careful in their operations. Failure to follow safety procedures or using old, improperly maintained machinery also increases the risk of injury.

In the coiling stage, the risk of being caught in the coiling machine is a serious one. If workers do not follow safety regulations, such as not standing too close to the machine during operation, they can be caught in the moving parts of the coiling machine. This accident can cause serious injuries such as broken bones, muscle damage, and other serious injuries. Furthermore, if the wire coils are not wound correctly, the wire can spring out and injure workers.

An unsafe working environment also contributes to occupational accidents. Slippery floors, cramped spaces, and lack of tidiness can increase the risk of slips or collisions. Sharp zinc wire fragments scattered on the floor can injure workers if they step on them. To minimize the risk of accidents, it is necessary to maintain a clean and tidy working environment, strictly adhere to occupational safety regulations, and regularly inspect and maintain machinery and equipment.

3. Causes of occupational accidents during cutting and coiling

The main cause of occupational accidents during cutting and coiling is often the failure to follow occupational safety procedures. During the wire cutting process, carelessness or inexperience of the workers can lead to injuries from the sharp cutting blade. The failure to use proper protective equipment such as cut-resistant gloves or to follow safe operating instructions for the cutting machine is a common cause of serious cuts and injuries.

In addition, equipment failure is another significant cause. Cutting and coiling machines, if not regularly maintained, can malfunction, posing a danger to operators. Worn or damaged cutting blades, an unstable coiling system can lead to accidents during operation. The failure to inspect and maintain the equipment properly increases the risk of technical issues, posing a danger to workers.

An unsafe working environment also contributes to occupational accidents. Slippery floors, cramped and unorganized workspaces can increase the risk of slips or collisions. Sharp zinc wire fragments scattered on the floor, if not cleaned up promptly, can injure workers. To minimize risks, it is necessary to maintain a clean and tidy working environment and strictly adhere to occupational safety measures. Regular training and raising awareness of occupational safety are also key factors in preventing accidents during the cutting and coiling process.

4. Preventive measures against occupational accidents during cutting and coiling

Preventing occupational accidents during cutting and coiling requires strict adherence to occupational safety measures and technical procedures. First, it is very important to use full and proper personal protective equipment. Workers should be equipped with cut-resistant gloves, safety glasses, and protective clothing to protect against hazards such as the sharp edges of the zinc wire and the cutting blade. At the same time, it is necessary to ensure that all protective equipment meets safety standards and is regularly inspected.

Regular management and maintenance of equipment is also an important measure. Cutting and coiling machines need to be regularly inspected and maintained to ensure they operate stably and safely. The timely detection and repair of breakdowns or technical issues will minimize the risk of occupational accidents. In addition, the equipment should be used correctly according to the manufacturer’s instructions and workers should be thoroughly trained on safe operation.

5. Occupational safety regulations for cutting and coiling

Occupational safety regulations for cutting and coiling zinc wire are designed to ensure the safety of workers and maintain product quality. First, workers must be fully equipped with personal protective equipment such as cut-resistant gloves, safety glasses, and protective clothing. The proper and full use of this equipment helps to minimize the risk of injury from the sharp edges of the zinc wire and machinery during the cutting process.

In addition, safety regulations require workers to strictly adhere to safe work procedures. Before starting work, the cutting and coiling machines must be thoroughly inspected to ensure they are operating normally. All cutting and coiling operations must be performed according to the correct technical instructions to avoid unwanted accidents. Workers also need to be thoroughly trained on how to use and operate the equipment safely and effectively.

Finally, the work environment needs to be kept clean and safe. The floor must always be dry and free of obstacles to avoid slipping. The wire fragments and excess material should be cleaned up immediately so as not to be dangerous. The ventilation system must work well to ensure fresh air. Adherence to occupational safety regulations not only protects the health and safety of workers but also helps to improve production efficiency and product quality.

6. Handling emergency occupational accidents during cutting and coiling

Handling emergency occupational accidents during cutting and coiling requires a quick and accurate response to ensure the safety of workers. When an accident occurs in the zinc wire cutting process, the first thing to do is to immediately stop the cutting machine to prevent the situation from becoming more serious. If a worker is injured by the cutting blade, first aid should be provided on the spot by stopping the bleeding and bandaging the wound. Then, the victim should be quickly taken to the nearest medical facility for timely treatment.

In the event of an incident during coiling, such as a worker being caught in the coiling machine, cutting off the machine’s power source is an important step to prevent further injury. If the victim is stuck in the machine, it is necessary to remain calm and not pull the victim out roughly. Instead, use appropriate tools to rescue them safely and immediately call the emergency team for medical assistance. It is important to keep the victim stable and not move them too much to avoid aggravating the situation.

After the emergency situation has been controlled, it is necessary to investigate the cause of the accident and assess the extent of the damage. This helps to identify measures to improve work procedures and enhance occupational safety in the future. In addition, retraining sessions should be organized to raise the awareness and skills of workers on how to handle emergency situations, ensuring they know how to protect their own safety and that of their colleagues. Careful preparation and strict management will help to minimize the risk and consequences of occupational accidents.