Ключевые слова: action, bar, bars, bind, builder, building, cast, castinplace, castinsitu, checking, concrete, construction, contractor, examining, experience, foreman, framework, hard, hat, helmet, industry, kneeling, labor, lattice, level, man, manual, metal, rebar, reinforcement, reinforcing, rod, site, skeleton, steel, straight, structure, work, worker, workwear,