| http://www.w3.org/ns/prov#value | - is begun, are used drums, barrels, tanks, and other containers so thoroughly cleaned that no substances remain that could explode, ignite, or produce toxic vapors? q Is it required that eye protection helmets, hand shields and goggles meet appropriate standards? q Are employees exposed to the hazards created by welding, cutting, or bracing operations protected with personal protective equipment an
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