Workflow. Gas mask. Clip. Men in gas masks in the working environment .
Workflow. Gas mask. Clip. Men in gas masks in the working environment .
Sliding over fireman clothing
Checking gas masks. Clip. Testing of new gas masks in the workflow at factories
Checking gas masks. Clip. Testing of new gas masks in the workflow at factories
Dropping a gas mask on the sand
Man puts on gas mask.
yellow pipe on gas plant. shot with slider
New fireman pipes with hose sliding over
Man in protective gas mask. Gas mask with connecting corrugated flexible hose. Man fastening protective chemical suit. Man putting on gas mask and straightening hose to source of breathing