Ключевые слова: adult, architecture, background, builder, building, business, caution, closeup, construction, copy, danger, development, engineering, equipment, factory, hand, hard, hat, heavy, helmet, industrial, industry, job, life, male, man, multistory, person, personal, planning, production, professional, protect, protection, protective, risk, rule, safe, safety, site, space, technology, text, unfinished, uniform, vest, warehouse, work, worker,