Ключевые слова: angle, angles, background, bar, brown, building, closeup, construct, construction, corrosion, design, factory, framework, galvanized, group, hard, heavy, industrial, industry, iron, ironworks, lines, manufacture, manufacturing, material, materials, metal, pile, plate, products, reinforcing, rust, sheet, silver, simple, stack, stacked, stainless, steel, structural, structure, texture, welding,