hard hat

Footage of men in hard hats trying to pass a pole climbing test in…

This clips contain various commercials for: Yellow Pages, KDKA Channel…

This clip shows parts of a rural community, people digging and a…

Pennsylvania: Lehigh University, technical school students recruited to…

Gypsum pouring into machinery. A man in a hard hat watches the gypsum…

Men busy in a workshop. A young man operating a drill. Close up of the…

Shot of an offshore oil rig. Men work with pipes and valves on board…

A man wearing a hardhat operates a large computer console covered in…

Men in suits and hard hats walk along a shipping yard with large boxes…

Several miners, wearing hard hats, walk into an elevator to go down…