Airborne toxins

Protective gear

Gas mask

Toxic air

Air pollution

Safety gear

Hazardous environment

Toxic fumes

Environmental hazard

Respirator mask

Safety measures

Science fiction

Urban setting

Hooded figure

Mask on face

Protection gear

Protective mask

Personal equipment

Chemical protection

Toxic environments

Chemical warfare

Industrial pollution

Hazard prevention

Oxygen deprivation

Industrial setting

Symbol of resilience