Ключевые слова: arc, assembly, built, connect, construction, craftsman, engineering, equipment, fabricate, factory, fire, gas, gloves, heat, helmet, industrial, industry, job, labor, laborer, light, making, man, manual, manufacture, manufacturing, mask, metal, metalwork, production, protection, protective, repair, safety, skill, smoke, spark, steel, structure, technical, welded, welder, welding, work, worker, workplace, workshop, workwear,