Ключевые слова: background, bars, brown, builder, cement, close, closeup, concept, concrete, construction, corrosion, creative, debris, engineering, ferroconcrete, foundation, framework, hard, heap, industrial, industry, iron, material, metal, old, outdoor, oxidation, pieces, piled, rebar, rebars, recyclable, red, reinforce, reinforced, reinforcement, reinforcing, remelting, rod, rust, rusty, scrap, site, steel, structure, up,