Ключевые слова: 3d, abstract, assortment, background, conduit, construction, copper, cylinder, equipment, factory, fixture, group, heap, heavy, industrial, industry, iron, manufacturing, material, merchandise, metal, metallic, metallurgy, metalware, new, object, pipe, pipeline, piping, plumbing, production, profile, reflection, rolled, sewage, sewerage, shape, shiny, silver, stack, stacked, stainless, steel, technology, tube, tubing, warehouse, water, white,