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Discover in-depth documents on occupational safety in air conditioner manufacturing! This document provides detailed guidance, necessary procedures, and regulations to ensure worker safety in the air conditioning manufacturing industry. Learn about preventive measures, health protection techniques, and necessary steps to minimize occupational accident risks. Ensure a safe, professional, and efficient working environment with knowledge from this document.

Table of Contents

PART I: CURRENT STATE OF SAFETY IN AIR CONDITIONER MANUFACTURING

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 Air Conditioner Manufacturing Plants

1. Accidents due to Machinery and Equipment

Hand-cutting incident while operating a cutting machine

In an air conditioner manufacturing plant in Binh Duong, a worker suffered a serious accident while using a cutting machine. While cutting metal sheets to assemble parts of the cooling unit, the worker inadvertently placed his hand too close to the cutting blade, resulting in the severing of two fingers. The main causes were a lack of personal protective equipment and non-compliance with safety procedures when operating machinery.

Accident due to being caught in a press machine

Another incident occurred at a factory in Dong Nai, where a worker was operating a gas compression press to produce the compressor part of an air conditioner. The press suddenly jammed, and the worker attempted to fix it himself without turning off the power, leading to his hand being caught in the machine. As a result, the worker suffered broken bones and severe injuries, requiring surgery and a long recovery period.

2. Electric Shock Accidents

Short circuit incident

At a factory in Ho Chi Minh City, an electrical engineer was electrocuted while repairing the circuit board of an air conditioner. The cause was a loose connection, which caused a short circuit while the engineer was inspecting and repairing it. This accident resulted in the engineer suffering severe burns and requiring a long hospital stay. This incident highlights the importance of following power-off procedures and using protective equipment when working with electrical devices.

3. Chemical Accidents

Refrigerant gas leak

A serious accident occurred at a factory in Hai Phong, where a refrigerant gas tank leaked during the process of charging the cooling system. Several workers inhaled the gas and fainted due to poisoning. Others suffered from cold burns upon direct contact with the leaking gas. This incident shows the importance of regular inspection and maintenance of gas storage equipment as well as training workers on safety measures when handling chemicals.

4. Accidents due to the work environment

Slips and falls on a slippery floor

In an air conditioner manufacturing plant in Da Nang, a worker slipped and fell while moving through the production area because the floor was wet and slippery. As a result, the worker broke his leg and had to take a long time off work to recover. This accident emphasizes the need to maintain a clean and safe work environment, as well as providing appropriate protective equipment for workers.

5. Accidents due to lack of training and supervision

Incorrect machine operation

Another accident happened at a factory in Vinh Phuc, where a new worker who had not been fully trained tried to operate a welding machine without supervision. As a result, the worker was burned by welding sparks on his hands and face. This incident shows the importance of providing full training and close supervision for workers, especially new ones.

The accidents mentioned above emphasize the importance of complying with occupational safety regulations, providing personal protective equipment, and providing adequate training and supervision for workers during their work. Worker safety must be a top priority to avoid unfortunate accidents during the production process.

PART II: OCCUPATIONAL SAFETY AND HEALTH WHEN WORKING IN AN AIR CONDITIONER MANUFACTURING PLANT

I. Occupational Safety and Health for Mechanical Processing Staff

1. Characteristics of Mechanical Processing Work

Mechanical processing work in air conditioner manufacturing plays an extremely important role, especially in the fabrication of metal parts such as the machine casing, air ducts, and other mechanical details. From raw materials, these details are processed through many different stages to achieve the desired shape and size. This process requires high skill and absolute precision, ensuring that the finished details meet strict technical standards.

Cutting, stamping, bending, and welding are the main stages in mechanical processing. Each stage has its own technical requirements, using modern machinery such as CNC cutting machines for precise shaping, stamping machines for forming, and bending machines for adjusting metal details. The welding process connects the details together, creating complete and sturdy products that can withstand harsh working conditions.

The machinery used in mechanical processing is not just a tool, but also a decisive factor in the quality of the final product. CNC cutting machines help to optimize the precise cutting of each small detail, while stamping and bending machines support shaping as required. Advanced welding machines ensure durable and aesthetic welds, contributing to the creation of high-quality air conditioner products that meet the increasingly high demands of the market.

2. Types of Occupational Accidents during Mechanical Processing

The process of mechanical processing, especially in the production of metal parts such as machine casings, air ducts, and other details, always carries many risks of occupational accidents. During the cutting stage, the use of high-speed CNC cutting machines can cause serious injuries if safety procedures are not followed correctly. Sharp metal fragments from the cutting process can fly out and injure workers if they are not equipped with adequate protection.

In the stamping and bending stage, the risk of accidents is equally serious. Stamping and bending machines with strong impact forces can cause serious injuries if workers are not careful or do not follow the correct machine operating procedures. Metal parts getting stuck or machines operating erratically can lead to accidents such as broken bones, or crushed hands and feet.

The welding process in mechanical processing also contains many risks, from the risk of burns from welding sparks to inhaling toxic welding fumes. Workers need to be equipped with masks, gloves, and fire-resistant clothing to protect their bodies. At the same time, training and raising awareness of occupational safety are necessary to minimize accidents and protect the health of those involved in the production process.

3. Causes of Occupational Accidents during Mechanical Processing

Occupational accidents during mechanical processing often stem from various causes, endangering workers and affecting production efficiency. One of the main causes is the failure to follow safety procedures when operating machinery. CNC cutting machines, stamping machines, bending machines, and welding machines all require workers to have knowledge and precise operating skills, but sometimes a lack of care or insufficient training leads to unfortunate risks.

Machinery and equipment can also cause accidents if not properly maintained and inspected. Machine parts can become worn or damaged, leading to unstable operation. Neglecting the safety inspection process before use can increase the risk of occupational accidents, especially in stages that require high precision like cutting and welding.

Human factors also play an important role in the cause of accidents. Fatigue, lack of concentration, or working in a stressful environment can cause workers to make mistakes. The lack of or improper use of protective equipment also contributes to an increased risk of injury. Ensuring a safe work environment, providing adequate protective equipment, and continuous training on occupational safety are important measures to prevent accidents during mechanical processing.

4. Measures to Prevent Occupational Accidents during Mechanical Processing

Preventing occupational accidents during mechanical processing is a crucial task, ensuring the safety of workers and maintaining production efficiency. One of the main measures is occupational safety training for all employees. Comprehensive and continuous training helps workers master the operating procedures of machines such as CNC cutting machines, stamping machines, bending machines, and welding machines, thereby minimizing the risk of mistakes and accidents.

In addition, regular maintenance and inspection of machinery and equipment are key factors. Ensuring that machines operate stably and safely helps prevent technical incidents that cause accidents. Before each work shift, workers should perform a basic safety check to ensure that all equipment is in the best condition. In particular, the correct and full use of protective equipment such as gloves, masks, and fire-resistant clothing is also an essential measure to protect workers from harmful agents during mechanical processing.

Furthermore, creating a safe and comfortable work environment is also an important measure. Stress and fatigue can reduce workers’ concentration, leading to accidents. Therefore, ensuring a clean work environment, adequate lighting, and a reasonable work schedule will help workers work more effectively. Regular occupational safety training, combined with technical and organizational measures, will contribute to creating a safe and professional work environment in the mechanical processing industry.

5. Occupational Safety Regulations for Mechanical Processing

Occupational safety regulations during mechanical processing are the foundation for protecting the health and lives of workers. First and foremost, all employees must receive comprehensive occupational safety training before participating in stages such as cutting, stamping, bending, and welding. These training courses help workers understand the operating procedures of CNC cutting machines, stamping machines, bending machines, and welding machines, thereby raising awareness of compliance with safety regulations in their daily work.

The adherence to regular machine inspection and maintenance procedures is a mandatory requirement. Before each work shift, workers must perform a safety check to ensure that all equipment is in the best operating condition. Any minor incident must be dealt with immediately to avoid the risk of accidents. In addition, the work environment must be kept clean and tidy, without unnecessary items that could cause obstruction or danger in the work area.

Full and standard-compliant protective equipment is an indispensable element in safety regulations. Workers must use gloves, masks, safety glasses, and fire-resistant clothing throughout their work. At the same time, the establishment of preventive measures such as safety signs, separate work areas for each stage also helps to minimize the risk of accidents. Strict compliance with occupational safety regulations not only protects workers but also ensures stability and efficiency in production.

6. Handling Emergency Occupational Accidents during Mechanical Processing

Handling emergency occupational accidents during mechanical processing requires a quick and effective response to minimize damage and protect workers. When an accident occurs, the first step is to immediately stop the machinery such as CNC cutting machines, stamping machines, bending machines, and welding machines to avoid further injuries. Workers should receive on-site first aid if possible, and at the same time, emergency services or medical personnel should be called for timely support.

While waiting for assistance, it is very important to provide proper first aid. If there are cuts or bleeding, the wound should be bandaged and pressure applied to reduce bleeding. For burns from welding, the burn area should be cooled under clean water and should not have any cream or oil applied to the wound. It is important to remain calm and carry out basic first aid measures carefully so as not to worsen the victim’s condition.

After the victim has received medical care, an investigation into the cause of the accident is necessary to learn from the experience and prevent similar incidents in the future. A detailed accident report should be prepared for analysis and reassessment of the current occupational safety procedures. At the same time, organizing additional safety training sessions to raise awareness and emergency handling skills for all staff is necessary. Implementing these measures fully will help create a safer work environment, reduce the risk of accidents, and protect the health of workers.

II. Occupational Safety and Health for Heat Exchanger Production Staff

1. Characteristics of Heat Exchanger Production Work

The production of heat exchangers is a crucial step in the manufacturing of air conditioners, ensuring the efficiency and quality of the final product. A heat exchanger consists of two main components: the condenser and the evaporator, each requiring a sophisticated and precise production process. First, copper pipes are shaped using a pipe bending machine, precisely formed to optimize heat exchange capabilities.

After shaping the copper pipes, the next step is to attach the cooling fins. The cooling fins are designed to maximize contact area with the air, making the heat exchange process more efficient. The process of attaching the cooling fins requires meticulousness and precision, using modern pressing machines to ensure the fins are securely attached to the copper pipes without obstructing airflow.

The parts of the heat exchanger are assembled together. This stage includes welding the joints to ensure durability and prevent leaks. Using specialized welding machines, workers must perform the welds carefully to ensure the quality and durability of the product. The production of heat exchangers requires high skill and precision, combining technology and modern techniques to create products that meet the highest standards.

2. Types of Occupational Accidents during Heat Exchanger Production

The production of heat exchangers for air conditioners, including condensers and evaporators, carries many risks of occupational accidents. A common type of accident is injury from pipe bending machines. When shaping copper pipes, workers can get their hands or fingers caught in the machine if they are not careful, leading to broken bones or serious injuries.

Attaching cooling fins is another stage with a high risk of accidents. The pressing machines used to attach cooling fins to copper pipes have strong compression force, and if workers do not follow correct safety procedures or are not focused, they can have their hands or other body parts pressed into the machine. This can cause serious injuries such as crushed hands or even finger loss.

The final assembly process is also very dangerous, especially when using welding machines. Welding sparks and high temperatures from the welding process can cause burns or fires if not strictly controlled. Furthermore, welding fumes contain harmful substances that can affect the respiratory system if workers do not wear proper protective masks. Ensuring occupational safety in each stage is essential to prevent accidents and protect the health of workers.

3. Causes of Occupational Accidents during Heat Exchanger Production

Occupational accidents during the production of heat exchangers can be caused by various factors, posing serious risks to workers. A primary cause is a lack of knowledge and skill in operating machinery. When workers are not adequately trained on how to use pipe bending machines, presses, and welding machines, they can make mistakes, leading to serious accidents such as getting a hand caught in a bending machine or being pressed by a press.

Inadequately maintained machinery is also a significant cause of accidents. The machinery used in the production of heat exchangers, if not regularly inspected and maintained, can become unstable or malfunction. This technical failure can lead to loss of control of the machinery, causing serious accidents such as fires or injuries from welding.

Human factors also play a large role in the cause of accidents. Fatigue, lack of concentration, and a stressful work environment can reduce a worker’s reaction and judgment. Furthermore, the lack of or improper use of protective equipment also increases the risk of injury. Failure to comply with occupational safety regulations, such as not wearing protective gloves when welding or not using a mask to protect against welding fumes, can lead to unfortunate accidents that seriously affect the health and safety of workers.

4. Measures to Prevent Occupational Accidents during Heat Exchanger Production

Preventing occupational accidents during the production of heat exchangers requires the simultaneous implementation of safety and environmental monitoring measures. First, occupational safety training for all employees is very important. Workers need to master the operating procedures of pipe bending machines, presses, and welding machines, as well as the necessary skills to handle emergency situations, thereby minimizing the risk of accidents.

Regular maintenance and technical inspection of machinery are key factors in ensuring safety. Ensuring that equipment such as pipe bending machines, presses, and welding machines are always operating stably and are regularly maintained helps prevent technical incidents that can lead to accidents. In addition, regular monitoring of the working environment helps to detect and promptly address hazardous factors in the work environment, ensuring a safe working space that does not adversely affect the health of workers.

Full and correct use of protective equipment is also an important measure. Workers should use gloves, safety glasses, masks to protect against welding fumes, and fire-resistant clothing throughout their work. The establishment of preventive measures such as safety signs, and separate work areas for each stage also helps to minimize the risk of accidents. Increased monitoring of the working environment and ensuring strict compliance with safety regulations will create a safe work environment and protect the health of all workers involved in the heat exchanger production process.

5. Occupational Safety Regulations for Heat Exchanger Production

Occupational safety regulations during the production of heat exchangers are an important foundation for protecting the health and safety of workers. First, all employees must be trained on safety procedures before participating in stages such as shaping copper pipes, attaching cooling fins, and assembling parts. This training helps them master the safe operation of pipe bending machines, presses, and welding machines, and also how to respond to emergency situations.

Machinery and equipment must be inspected and maintained periodically to ensure stable and safe operation. Before each work shift, workers must perform a basic safety check of the machinery and tools used, such as pipe bending machines, presses, and welding machines. Any signs of damage or abnormal operation must be reported and dealt with immediately to prevent potential incidents during production.

In addition, protective equipment is a mandatory element. Workers must use full gloves, safety glasses, masks to protect against welding fumes, and fire-resistant clothing throughout their work. Strict adherence to these regulations not only protects workers from the risk of injury but also ensures a safe and effective work environment. Furthermore, preventive measures such as safety signs and separate work areas for each stage help to minimize the risk of accidents, contributing to a safe and professional work environment.

6. Handling Emergency Occupational Accidents during Heat Exchanger Production

Handling emergency occupational accidents during heat exchanger production requires a quick and accurate response to protect the lives and health of workers. When an accident occurs, the first step is to immediately stop all operating machinery such as pipe bending machines, presses, and welding machines to prevent other potential risks. Workers should remain calm and carry out basic first aid measures, while immediately calling for medical or rescue services for timely support.

While waiting for the rescue team, proper first aid is very important. If there are bleeding wounds, bandages should be used to stop the bleeding and the injured area should be elevated. For burns from welding, the burn area should be cooled under clean water and no cream or oil should be applied to the wound. For more serious injuries such as fractures, a temporary splint should be applied with available materials to avoid worsening the victim’s condition.

After the victim has been taken to a medical facility, an investigation and analysis of the cause of the accident should be conducted to learn from the experience and prevent similar incidents in the future. A detailed accident report should be prepared and evaluated to review the current occupational safety procedures. At the same time, organizing additional safety training sessions for all staff to raise awareness and skills in handling emergency situations is necessary. Implementing these measures fully will help create a safer work environment, reduce the risk of accidents, and protect the health of workers.

III. Occupational Safety and Health for Cold and Hot Unit Assembly Staff

1. Characteristics of Cold and Hot Unit Assembly Work

The assembly of cold and hot units is the final crucial stage in the production of air conditioners, where processed and fabricated parts are assembled into a complete product. This process requires high precision and skill from the workers to ensure that all parts such as fans, motors, heat exchangers, and electronic components are installed in the correct positions and operate effectively.

Workers will use various hand tools and supporting machinery to perform the assembly work. Tools such as screwdrivers, wrenches, and pliers help assemble small details, while supporting machinery like drills and compressors increase work efficiency. This process requires high concentration and adherence to strict technical procedures to ensure the parts are assembled securely without any technical errors.

The assembly of cold and hot units not only requires mechanical skills but also an understanding of electronics. Workers need to know how to handle electronic components, and check and connect circuits accurately. Ensuring occupational safety throughout the assembly process is an important factor, helping workers complete their tasks efficiently, and ensuring product quality and personal safety.

2. Types of Occupational Accidents during Cold and Hot Unit Assembly

The process of assembling cold and hot units in air conditioner production poses many risks of occupational accidents, requiring caution and strict adherence to safety regulations. A common accident is injury from hand tools. Workers using screwdrivers, wrenches, pliers, and other tools can be injured if not careful or if the tools are not used correctly. Cuts, punctures, or slips from improperly held or stored tools are common risks.

In addition, the use of supporting machinery such as drills and compressors also carries a high risk. These machines can cause serious injuries if not operated with the correct technique. Drills can cause deep wounds if not controlled well, while compressors can cause injury from high pressure. In particular, these devices can also cause technical problems, endangering workers if not regularly maintained and inspected.

In addition, electronic components during the assembly process are also a source of many occupational accidents. Workers can be electrocuted if they do not follow safety rules when connecting circuits or checking electronic devices. Contact with electronic components without using gloves or appropriate protection can lead to injuries from electricity or chemical burns. Therefore, occupational safety training, providing full protective equipment, and implementing preventive measures are very necessary to reduce the risk of accidents during the assembly of cold and hot units.

3. Causes of Occupational Accidents during Cold and Hot Unit Assembly

The causes of occupational accidents during the assembly of cold and hot units often stem from various factors, mainly related to skills and occupational safety. One of the main causes is the lack of knowledge and skill of the workers. When not adequately trained on how to use hand tools and supporting machinery such as screwdrivers, wrenches, drills, and compressors, workers are prone to making mistakes, leading to accidents such as cuts, punctures, or serious injuries.

Inadequately maintained equipment and tools are also a significant cause. Supporting machinery in the assembly process needs to be inspected and maintained periodically to ensure safe and stable operation. If this process is neglected, the equipment can malfunction or break down, endangering the user. For example, a drill or compressor that is not working correctly can lead to serious incidents such as deep wounds or high-pressure injuries.

Human factors also play a large role in the cause of occupational accidents. Fatigue, lack of concentration, and stress at work can reduce a worker’s reaction and judgment. Furthermore, the lack of or improper use of protective equipment, such as gloves and safety glasses, also contributes to an increased risk of accidents. For example, not wearing gloves when working with electronic components or not using safety glasses when drilling can lead to injuries from electric shock or flying debris. To reduce the risk, it is necessary to ensure that all employees are fully trained, that equipment is well-maintained, and that everyone strictly adheres to occupational safety regulations.

4. Measures to Prevent Occupational Accidents during Cold and Hot Unit Assembly

Preventing occupational accidents during the assembly of cold and hot units requires adherence to strict safety measures and the use of appropriate protective equipment. First, all workers must be fully trained in occupational safety, including how to use hand tools such as screwdrivers, wrenches, and supporting machinery such as drills and compressors. This training not only helps improve skills but also raises awareness of potential risks in daily work.

Regular maintenance and inspection of equipment and tools are indispensable. Ensuring that all machinery, from drills to compressors, is operating stably and safely will help minimize the risk of technical incidents. This includes checking for worn parts, lubricating, and replacing components when necessary. The safety inspection process should be carried out before each work shift to ensure all equipment is in the best condition.

Finally, protective equipment must be used correctly and fully throughout the work process. Workers should wear gloves, safety glasses, and protective masks when necessary to avoid injuries from collisions, cuts, or electric shock. Maintaining a clean and tidy work environment also helps to minimize the risk of accidents. At the same time, workers should always adhere to safety procedures and not work when tired or not focused. Implementing these measures fully will create a safer work environment, reduce the risk of accidents, and protect the health of workers.

5. Occupational Safety Regulations for Cold and Hot Unit Assembly

Taking tests at occupational safety centers aims to obtain an occupational safety certificate. This will give workers a clear understanding of safety knowledge and valid certification for work.

Occupational safety regulations for the assembly of cold and hot units are a key factor in ensuring worker safety and product quality. First and foremost, all workers must be thoroughly trained in occupational safety, especially on how to properly use hand tools such as screwdrivers, wrenches, and supporting machinery such as drills and compressors. This training not only provides basic knowledge but also emphasizes specific accident prevention measures in each step of the assembly process.

In addition, regular equipment inspection and maintenance are mandatory requirements. Before each work shift, workers must perform basic safety checks to ensure that all equipment and tools are in the best operating condition. Machinery such as drills and compressors needs to be periodically maintained to avoid breakdowns or unstable operation, minimizing the risk of occupational accidents caused by equipment.

Protective equipment is an indispensable element in the safety process. Workers must always wear gloves, safety glasses, and protective masks when working with electronic components or performing tasks that pose a risk of injury. At the same time, the work environment needs to be maintained clean and tidy to reduce the risk of slips, trips, and falls. Strict adherence to these regulations not only protects the health of workers but also ensures that the production process runs smoothly, efficiently, and safely.

6. Handling Emergency Occupational Accidents during Cold and Hot Unit Assembly

Handling emergency occupational accidents during the assembly of cold and hot units requires a quick and effective response to protect the lives and health of workers. When an accident occurs, the first step is to immediately stop all machinery and hand tools such as drills and compressors to prevent further risks. Workers must immediately report the incident to management or the occupational safety department to receive timely assistance. Other workers should remain calm and carry out basic first aid measures if possible.

While waiting for medical or rescue services, proper first aid is very important. If there are bleeding wounds, bandages should be used to stop the bleeding and the injured area should be kept still to minimize damage. For burns from electricity or welding machines, the burn area should be cooled with clean water and no substance should be applied to the wound. If there is a suspected fracture or serious injury, the victim should not be moved, but rather temporarily splinted and wait for the intervention of medical professionals. Proper first aid helps to reduce the damage and stabilize the victim’s condition before they are transferred to a medical facility.

After the victim has been taken to a medical facility, an investigation into the cause of the accident should be conducted immediately. A detailed incident report must be prepared to analyze and identify preventive measures to avoid similar accidents in the future. At the same time, organizing additional occupational safety training sessions for all employees to raise awareness and skills in handling emergency situations is necessary. Implementing these measures fully will help create a safer work environment, reduce risks, and protect the health of workers.

IV. Occupational Safety and Health for Final Assembly Staff

1. Characteristics of Final Assembly Work

Final assembly is the last stage in the air conditioner production process, where the main assembled parts are attached to the machine casing and given a final check. This process begins with checking the electrical connections to ensure all components are working properly and there are no technical faults. Workers need to thoroughly inspect the circuits and connections to ensure the safety and efficiency of the product.

After that, the control panel and final details are attached. The control panel is an important part, helping the user to interact with and control the air conditioner. Workers need to assemble the control panel accurately, ensuring the buttons and display screen work well. In addition, details such as the air filter screen and protective cover are also attached to complete the product, ensuring the air conditioner operates efficiently and safely for the user.

Finally, attaching the brand logo is an indispensable step to complete the product. The brand logo not only provides identification but also represents the quality and reputation of the manufacturer. After completing the assembly steps, the product will be given a final check to ensure all parts are working well and meet quality standards. The final assembly process requires meticulousness and precision to ensure the final product achieves the highest quality before reaching the consumer.

2. Types of Occupational Accidents during Final Assembly

During the final assembly of air conditioners, workers face many different risks of occupational accidents. A common accident is electrical injury. When checking electrical connections and assembling the control panel, if safety procedures are not followed, workers can be electrocuted, causing burns or even more serious injuries. Working with electricity requires great care and strict adherence to safety regulations.

In addition, the stages of attaching the control panel and final details such as the air filter screen and protective cover also pose a risk of mechanical injury. Using hand tools such as screwdrivers, pliers, and wrenches, if not careful, can lead to cuts, punctures, or pinched hands. These accidents often occur due to lack of concentration, lack of skill, or improper use of personal protective equipment.

Attaching the brand logo and other finishing details can lead to injuries from collisions or slips and falls. An improperly maintained and tidy work environment can create obstacles, endangering workers. At the same time, standing on unstable surfaces to attach details in high positions is also a potential risk. To reduce the risk, workers need to follow safety measures, use full protective equipment, and maintain a safe and tidy work environment.

3. Causes of Occupational Accidents during Final Assembly

The causes of occupational accidents during the final assembly of air conditioners often stem from various factors, related to both technical and human aspects. One of the main causes is a lack of knowledge and skills in occupational safety. When workers are not adequately trained on safe work procedures, they are prone to making mistakes, especially when checking electrical connections or assembling the control panel. A lack of understanding of how to handle dangerous situations can lead to serious accidents such as electric shock.

In addition, inadequately maintained equipment and tools are a common cause of accidents. Hand tools such as screwdrivers, pliers, and supporting machinery, if not regularly inspected and maintained, can break down, leading to unsafe use. Equipment failure can cause mechanical injuries such as cuts, punctures, or pinched hands, especially when workers are attaching final details like the air filter screen and protective cover.

Human factors also play a large role in causing occupational accidents. Fatigue, lack of concentration, and stress at work can reduce a worker’s reaction and judgment. Furthermore, the lack of or improper use of protective equipment, such as gloves and safety glasses, also contributes to an increased risk of accidents. To reduce the risk, it is necessary to ensure that all employees are fully trained, that equipment is well-maintained, and that everyone strictly adheres to occupational safety regulations.

4. Measures to Prevent Occupational Accidents during Final Assembly

Take tests at occupational safety centers to obtain an occupational safety card to properly supplement your work records.

Preventing occupational accidents during the final assembly of air conditioners requires a series of strict safety measures and compliance with procedures. First and foremost, occupational safety training for all workers is the most important factor. Workers need to be trained on how to safely check electrical connections, assemble the control panel, and final details such as the air filter screen and protective cover. This knowledge helps them to understand potential risks and how to prevent them effectively.

Regular maintenance and inspection of tools and equipment are indispensable to ensure safety. All hand tools such as screwdrivers, pliers, and supporting machinery like drills need to be thoroughly checked before each work shift to ensure they are working well and safely. Regular maintenance helps to detect early failures and prevent accidents caused by equipment.

Protective equipment is a necessary measure to protect workers from injury risks. Workers should wear gloves, safety glasses, and protective masks when working with electrical and mechanical parts. At the same time, maintaining a clean and tidy work environment also helps reduce the risk of accidents from slips, trips, or falls. Adherence to safety measures and proper use of protective equipment not only protects the health of workers but also improves work efficiency and product quality.

5. Occupational Safety Regulations for Final Assembly

Occupational safety regulations for the final assembly of air conditioners are an important foundation for ensuring the health and safety of workers as well as product quality. First, all workers must be fully trained on occupational safety procedures, including how to check electrical connections and assemble parts such as the control panel, air filter screen, protective cover, and brand logo. This training helps workers master safe work steps and risk prevention.

In addition, the regulation on the regular maintenance and inspection of equipment before work is mandatory. All hand tools such as screwdrivers, pliers, and supporting machinery like drills need to be periodically inspected and maintained to ensure stable and safe operation. Before each work shift, workers must perform checks on these devices to detect potential problems early and prevent occupational accidents.

Protective equipment is a mandatory requirement in the final assembly process. Workers must use full personal protective equipment such as gloves, safety glasses, and protective masks when working with electrical and mechanical parts. At the same time, the work environment needs to be maintained clean and tidy to reduce the risk of slips, trips, and falls. Strict adherence to occupational safety regulations not only protects the health of workers but also ensures that the production process runs smoothly and effectively.

6. Handling Emergency Occupational Accidents during Final Assembly

Handling emergency occupational accidents during the final assembly of air conditioners requires a quick and effective response to ensure worker safety. When an accident occurs, the first step is to immediately stop all machinery and equipment to prevent further risks. Workers should immediately report the incident to management or the occupational safety department to receive timely assistance. Other workers should remain calm and carry out basic first aid measures if possible.

While waiting for medical or rescue services, proper first aid is very important. If there are bleeding wounds, bandages should be used to stop the bleeding and the injured area should be kept still to minimize damage. For burns from electricity or welding, the burn area should be cooled with clean water and no substance should be applied to the wound. If a fracture or serious injury is suspected, a temporary splint should be applied and wait for the intervention of medical professionals. Proper first aid helps to reduce the damage and stabilize the victim’s condition before they are transferred to a medical facility.

After the victim has been taken to a medical facility, an investigation into the cause of the accident should be conducted immediately. A detailed incident report must be prepared to analyze and identify preventive measures to avoid similar accidents in the future. At the same time, organizing additional occupational safety training sessions for all staff to raise awareness and skills in handling emergency situations is necessary. Implementing these measures fully will help create a safer work environment, reduce risks, and protect the health of workers.

V. Occupational Safety and Health for Quality Control Staff

1. Characteristics of Quality Control Work

Quality control is the final crucial step before the finished air conditioner products are brought to market. This process includes a series of strict tests to ensure that the product operates correctly and without defects. First, the product is tested for cooling performance to ensure that it achieves optimal cooling capacity. This is an important step to confirm that the air conditioner can maintain the required temperature effectively.

In addition to cooling performance, the noise level of the air conditioner is also thoroughly checked. A quality product must operate smoothly, without excessive noise, ensuring comfort for the user. Furthermore, the durability of components such as fans, motors, and heat exchangers is also checked to ensure they can withstand long-term use without breaking down. Electrical safety testing is the final but no less important step, ensuring that all electrical connections are safe and do not pose a danger to the user.

Automated measurement and testing equipment are widely used in this process to ensure accuracy and efficiency. This equipment helps to detect the smallest defects that may not be visible to the naked eye, ensuring that each product leaving the factory meets the highest standards. The use of modern technology in quality control not only increases the reliability of the product but also enhances the reputation of the manufacturer in the market.

2. Types of Occupational Accidents during Quality Control

During the quality control process of air conditioner products, workers may face many risks of occupational accidents. A common accident is electrical injury. When testing electrical safety, if safety procedures are not followed or if the equipment is not up to standard, workers can be electrocuted, causing severe burns or even death. In particular, when working with measurement and automated testing equipment, it is necessary to ensure that all electrical connections are insulated and safe.

In addition, testing the durability of air conditioner components also poses a risk of mechanical injury. Using machinery to test the durability of fans, motors, and heat exchangers can cause accidents if the equipment fails or if the worker does not use it correctly. For example, a fan can fly out of position or the motor can have a technical problem, leading to serious injuries for those nearby.

Testing cooling performance and noise levels also does not exclude risks. When testing cooling performance, contact with refrigerants can cause respiratory or skin problems if not properly protected. Similarly, when testing noise levels, if hearing protection is not worn, workers can suffer from hearing damage due to loud noise. To minimize these risks, it is necessary to strictly adhere to occupational safety regulations and use full protective equipment throughout the quality control process.

3. Causes of Occupational Accidents during Quality Control

The causes of occupational accidents during the quality control of air conditioner products often stem from various factors. A primary cause is a lack of knowledge and skill on the part of the workers. When not adequately trained on safety procedures and how to use measurement equipment, workers are prone to making mistakes. In particular, during electrical safety testing, a lack of understanding can lead to serious accidents such as electric shock.

Inadequately maintained measurement and testing equipment is also a common cause of accidents. This equipment, if not regularly inspected and maintained, can malfunction or break down, leading to dangerous situations. For example, inaccurate or faulty measurement equipment can lead to incorrect test results, creating unforeseen dangerous situations during the durability testing of air conditioner components.

Human factors, especially lack of concentration and stress, also play an important role in causing occupational accidents. Workers in a stressful or fatigued environment are prone to distraction, leading to careless actions. Failure to comply with safety rules, such as not wearing protective equipment when in contact with refrigerants or when testing noise levels, also contributes to an increased risk of accidents. To reduce the risk, it is necessary to ensure that all workers are thoroughly trained, that equipment is well-maintained, and that the work environment is well-managed to minimize stress and fatigue.

4. Measures to Prevent Occupational Accidents during Quality Control

Preventing occupational accidents during the quality control process of air conditioner products requires a series of strict safety measures to be implemented. First and foremost, occupational safety training for all workers is the most important factor. Workers need to be thoroughly instructed on the process of testing cooling performance, noise levels, component durability, and electrical safety. This training not only provides basic knowledge but also raises awareness of potential risks and how to effectively prevent them.

Regular maintenance and inspection of measurement and automated testing equipment are necessary to ensure they are accurate and safe. Inaccurate or faulty measurement equipment can lead to incorrect test results, creating danger for workers. Therefore, this equipment needs to be regularly inspected and maintained to ensure it is always in the best working condition. The safety inspection process should be carried out before each work shift to detect potential problems early.

The use of full and proper protective equipment is also an important measure to prevent accidents. Workers should wear gloves, safety glasses, and protective masks when working with electrical components and refrigerants. In addition, the work environment needs to be kept clean and tidy to minimize the risk of accidents from slips, trips, or falls. Strict adherence to safety regulations and the use of proper protective equipment not only protect the health of workers but also improve the efficiency of work and product quality.

5. Occupational Safety Regulations for Quality Control

Occupational safety regulations for the quality control of air conditioner products are a key factor in ensuring the health and safety of workers, as well as the reliability of the product. First, all employees involved in the inspection process must be fully trained on safety procedures, including testing cooling performance, noise levels, component durability, and electrical safety. This training helps workers to understand potential risks and how to prevent them, ensuring they can perform their work safely and effectively.

In addition, measurement and automated testing equipment need to be maintained and inspected periodically to ensure they are always accurate and safe. Before each work shift, workers must perform basic safety checks to ensure that all equipment is in the best condition. This includes checking electrical connections, ensuring there is no risk of electric shock, and confirming that the measurement equipment is operating correctly to avoid errors during the inspection process.

Protective equipment is a mandatory requirement in all stages of quality control. Workers must always use full gloves, safety glasses, and masks when working with electrical components and refrigerants. At the same time, the work environment needs to be maintained clean and tidy, minimizing the risk of slips, trips, and falls. Strict adherence to safety regulations not only protects the health and safety of workers but also ensures that the inspection process runs smoothly, improving the quality and reputation of the product.

6. Handling Emergency Occupational Accidents during Quality Control

Handling emergency occupational accidents during the quality control of air conditioner products requires a quick and accurate response to protect the lives and health of workers. When an accident occurs, the first step is to immediately stop all equipment and machinery to prevent further risks. The injured worker should be given first aid, and at the same time, the management or occupational safety department should be notified immediately to receive timely assistance.

While waiting for medical or rescue services, other workers should remain calm and carry out basic first aid measures. If there are bleeding wounds, bandages should be used to stop the bleeding and the injured area should be kept still to minimize damage. For burns from electricity, the burn area should be cooled with clean water and no substance should be applied to the wound. If a fracture or serious injury is suspected, a temporary splint should be applied and wait for the intervention of medical professionals.

After the victim has been taken to a medical facility, an investigation into the cause of the accident should be conducted immediately. A detailed incident report must be prepared to analyze and identify preventive measures to avoid similar accidents in the future. At the same time, organizing additional occupational safety training sessions for all staff to raise awareness and skills in handling emergency situations is necessary. Implementing these measures fully will help create a safer work environment, reduce risks, and protect the health of workers.