Toxic atmosphere

Protective gear

Safety gear

Respirator mask

Air pollution

Toxic environment

Gas mask

Clad figure

Hazardous environment

Industrial setting

Dystopian future

Apocalyptic scene

Respiratory protection

Polluted environment

Science fiction

Post-apocalyptic scene

Industrial environment

Industrial scene

Warning sign

Environmental hazards

Mask protection

Toxic fumes

Industrial pollution

Respiratory device

Chemical exposure

Post-apocalyptic world