Ключевые слова: arc, assembly, construction, craftsman, cut, electric, equipment, factory, fire, flame, flash, hand, hot, industrial, industry, iron, job, light, machine, man, manufacture, manufacturing, mask, metal, metallic, metalwork, occupation, pipe, power, production, protection, protective, red, repair, safety, skill, skilled, spark, steel, technical, technology, tool, weld, welded, welder, welding, work, worker, workplace, workshop,