Ключевые слова: 3d, abstract, aluminium, background, black, building, chrome, circle, closeup, construction, cylinder, drain, drainage, engineering, equipment, factory, group, heavy, industry, iron, manufacture, material, metallic, pattern, pipe, pipeline, plumbing, profile, pvc, round, sewer, shape, shiny, stack, stainless, steel, technology, tool, tube, water, white, wrench,