Ключевые слова: abstract, armature, background, bars, cage, cement, closeup, concept, concrete, construction, driven, engineering, equipment, fixing, formwork, foundation, frame, framework, industry, iron, mesh, metal, new, pile, pillar, pipe, prestressed, rebar, reinforce, reinforced, reinforcement, reinforcing, rod, scafolding, site, steel, strengthening, strong, structure, tower, wire, work,