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