Ключевые слова: asian, business, caucasian, checking, concept, confidence, construction, control, employee, engineer, engineering, enjoy, expertise, factory, glasses, heavy, helmet, industrial, industry, job, labor, looking, machine, machinery, machinist, maintenance, male, man, manufacturing, mechanic, metal, modern, occupation, people, person, production, professional, protection, safety, service, skilled, steel, technician, technology, uniform, work, worker, workman, workplace, workshop,