Ключевые слова: blue collar, construction, construction industry, craftsmanship, engineering, equipment, fabrication, factory, fire, flying, gear, heavy, heavy industry, industrial, industry, intense heat, iron, ironwork, job, labor, laboring, machinery, manual labor, manufacture, manufacturing, men at work, metal, metal construction, metal fabrication, metal industry, metal joining, metal worker, metalwork, plant, production, protective, safety, safety equipment, setting, skilled, sparks, steelwork, trade skills, welder, welding, welding mask, worker, working, workmanship, workplace, workshop,