Ключевые слова: accident, box, business, cleaning, craft, dangerous, dirty, dust, element, employment, factory, fine, flow, gear, hazardous, heavy, hose, industrial, industry, iron, labor, man, manufacture, mask, mass, metal, metallurgy, pan, piece, powder, precautions, prepare, process, production, profession, protection, remove, residue, rust, sandblast, sanding, steel, suit, tank, union, velocity, warehouse, warning, waste, workload,