Ключевые слова: accident, apron, assembly, attach, bending, blue, close up, craft, dangerous, element, employment, factory, flow, fuse, gear, gloves, hands, hazard, heavy, industrial, industry, iron, job, labour, machining, man, manufacturing, mask, mass, metal, metallurgy, model, operated, overall, piece, pipe, precautions, produced, profession, protection, safety, security, steel, switch, trade, utensil, warning, weld, work, workload,