Ключевые слова: adult, architecture, background, builder, building, business, caucasian, caution, construction, copy, danger, development, earmuffs, engineering, equipment, factory, goggles, hard, hat, hearing, heavy, helmet, industry, job, male, man, mature, multistory, person, personal, planning, portrait, production, professional, protect, protection, protective, risk, safe, safety, showing, site, smiling, space, technology, text, uniform, warehouse, work, worker,