Ключевые слова: arc, assembly, construction, craftsman, engineering, equipment, fabricate, factory, fire, flash, gas, heat, helmet, industrial, industry, job, labor, light, man, manual, manufacture, manufacturing, mask, metal, metalwork, occupation, protection, protective, repair, safety, skill, skilled, spark, steel, structure, technical, welded, welder, welding, work, worker, working, workplace, workshop,