Ключевые слова: adult, business, caucasian, construction, control, conversation, development, engineer, engineering, equipment, factory, glasses, helmet, industrial, industry, inspection, job, logistics, machine, machinery, machines, male, man, manager, manufacture, manufacturing, men, metal, metalwork, monitor, occupation, people, person, production, professional, protective, safety, smile, team, teamwork, technician, technology, tool, warehouse, work, worker, working, workshop, young,