Ключевые слова: arc, closeup, construction, duty, equipment, factory, fill, fire, flame, flaming, heavy, hot, industrial, industry, iron, ironworks, job, labor, laborer, laboring, man, manual, manufacture, manufacturing, mask, metal, metalwork, protection, protective, repair, rod, safety, skill, skilled, smoke, spark, steel, tool, weld, welder, welding, worker, working, workplace,