Office, no exposure to heavy metals
Industrial environment, exposed to heavy metals
Construction, no exposure to heavy metals
Other occupation
Yes, fully trained and practicing
Yes, but only partially trained
No, not trained
Not applicable
Always use PPE
Use sometimes
Do not use PPE
No need to use
No contact
Occasional, short-term contact
Frequent contact
Long-term and intensified contact
Very adequate
Sometimes neglected
Irregular maintenance
Neglect personal hygiene and nutrition
Never
Sometimes
Frequently
Always
Yes, regularly
Yes, but irregularly
No participation
No need for check-ups