Pollution control

Protective gear

Gas mask

Safety gear

Respirator mask

Safety equipment

Hazardous environments

Hazmat suit

Protective attire

Hazardous conditions

Environmental hazards

Toxic environment

Environmental health

Hazmat gear

Safety measures

Air pollution

Extreme conditions

Protective suit

Protective equipment

Respiratory protection

High risk

Chemical protection

Toxic fumes

Work environments

Safety demonstration

Environmental safety