Ключевые слова: abstract, aluminum, background, building, bunch, bundle, capping, cast, closeup, concrete, construction, corrosion, cylinder, diminishing, durable, factory, fittings, galvanized, industrial, industry, iron, manufacture, material, metal, metallic, objects, parallel, pattern, perspective, plate, rough, rust, stack, steel, storehouse, straight, technological, technology, tube, warehouse,