Ключевые слова: arc, building, construction, craft, craftsman, engineering, equipment, fabricate, fabrication, factory, flame, flash, heat, home conditions, hot, industrial, industry, job, light, male, man, manual, manufacture, manufacturing, mask, metal, metal welding, metalwork, occupation, operator, person, production, repair, repairing, spark, sparks from welding, steel, tool, torch, weld, welder, welding, welding machine, work, work close up, work on the street, work with metal, worker, working, workman,