Ключевые слова: abstract, architecture, background, bar, bent, building, cement, civil, closeup, column, concrete, construct, construction, engineering, equipment, foundation, frame, group, hard, industrial, industry, iron, line, material, mesh, metal, new, outdoor, pattern, rebar, rebars, reinforce, reinforced, reinforcement, reinforcing, rod, rust, safety, site, steel, strength, structure, technology, texture, wire, work,