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