Ключевые слова: 3d, abstract, aluminum, background, black, chrome, circle, clipart, closeup, construction, cylinder, elements, engineering, factory, gray, group, heavy, industrial, industry, iron, isolated, light, longre, manufacture, metal, metallic, metalroll, new, object, pipe, pipeline, piping, product, profile, roll, round, row, shine, silver, stack, stainless, steel, stock, storage, strong, structure, supply, tube, tubing, up, white,