Ключевые слова: abstract, architecture, background, bar, bars, building, concrete, construct, construction, engineering, gray, group, industrial, industry, iron, lines, material, metal, new, parallel, pattern, pile, pole, rail, rebar, rebars, reinforce, reinforced, reinforcement, reinforcing, rod, rods, rust, rusty, site, stacked, stainless, steel, strength, strong, structure, texture, used, wire,