Polluted atmosphere

Gas mask

Safety gear

Respiratory protection

Air pollution

Hazardous conditions

Airborne contaminants

Mysterious figure

Dark background

Silhouette of person

Protective gear

Face mask

Respirator mask

Safety measures

Hazmat suit

Hazardous environment

Toxic fumes

Industrial work

Industrial settings

Emergency preparedness

Hazard prevention

Health concerns

Poisonous air

Safety precaution

Hooded figure

Safety equipment