Ключевые слова: adult, architecture, businessman, camera, caucasian, clothing, construction, efficiency, engineer, engineering, equipment, expertise, factory, foreman, hard, hardhat, hat, helmet, indoors, industry, looking, machinery, males, man, manager, manufacturing, men, metal, night, occupation, one, person, professional, protective, rear, reflective, safety, site, standing, steel, structure, technology, view, warehouse, work, worker, working, workwear,