Ключевые слова: aluminum, bar, building, chrome, construction, design, durable, engineering, factory, girder, group, heap, heavy, industrial, industry, iron, joist, line, manufacture, material, metal, metallic, nobody, pattern, pile, shape, solid, stability, stack, stainless, steel, steelwork, stock, stockpile, storehouse, strength, strong, structural, structure, technology,