Ключевые слова: activity, background, brickwork, building, closeup, clothing, construction, cook, engineering, equipment, factory, fire, flash, gauntlets, hand, hazard, heat, industrial, industry, laborer, light, line, making, man, manufacturing, mask, metal, natural, occupation, plant, protective, protective mask, repair, road, shop, slab, smoke, spark, sparks, steel, tool, welder, welding, welding arc, welding holder, work, work shop, worker, works,