Ключевые слова: abstract, alloy, art, background, bar, building, buildingmaterials, close, closeup, concretes, construct, construction, cool, corrode, corroded, corrosion, detail, engineering, factory, hard, heavy, industrial, industry, iron, manufacture, material, metal, metallic, old, pattern, pipe, product, raw, rebar, reinforce, reinforcement, reinforcing, rod, round, rust, rustic, rusting, rusty, steel, steelbar, strong, structure, texture, textured, wallpaper,