Ключевые слова: abstract, architecture, background, bar, building, close, closed, closedup, closeup, concrete, construct, construction, corrosion, corrosive, group, industrial, industry, iron, line, lines, material, materials, mesh, metal, metallic, new, parallel, pattern, pile, pole, rail, raw, rebar, reinforce, reinforcement, reinforcing, rod, rods, rust, rusted, rusty, stack, steel, strong, structure, texture, up,