Ключевые слова: adult, assembly, business, caucasian, close, clothes, development, engineer, equipment, ethnicity, european, facility, factory, hands, hot, industry, job, labor, maintenance, male, man, manufacturing, mature, metal, modern, objects, occupation, one, operator, person, production, professional, protective, quality, safety, skill, smart, spark, specialist, steel, success, technician, technology, tool, up, view, wear, welding, white, worker,