hard hats

This protective eyewear attaches directly to your hard hat, which means no more fumbling with glasses
Tape measure falls 50 stories, kills worker on New Jersey construction site
Cardboard hard hat sombreros a quick way to escape the sun on the jobsite; open a wormhole of safety regulation questions
Va. Tech researchers develop hard hat sensor to prevent carbon monoxide poisoning
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A hard hat made from sugar?
Safety Watch
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