Ключевые слова: background, bar, bars, beam, bender, bind, builder, building, closeup, column, concrete, construction, dirty, engineering, fixer, formwork, foundation, frame, framework, gloves, hand, hard, house, industrial, industry, instrument, iron, job, knitting, man, metal, people, professional, rebar, reinforcement, reinforcing, rod, safety, site, slab, steel, structure, structures, tie, timber, tool, wire, work, worker, workers,