Ключевые слова: abstract, aluminum, background, building, circle, closeup, construction, corrosion, cylinder, development, engineering, equipment, factory, group, heap, heavy, industrial, industry, iron, manufacture, manufacturing, material, metal, metallic, objects, parallel, pattern, pile, pipe, pipeline, pipes, round, rust, rusty, stack, stainless, steel, storage, structure, technology, texture, tube, tubing,