Ключевые слова: abstract, background, brown, close, closeup, construction, corrode, corroded, corrosion, decay, elements, environment, flow, gas, heavy, hole, industrial, industry, iron, large, line, liquids, long, material, metal, objects, oil, old, parallel, petroleum, pile, pipe, pipeline, piping, pumping, round, rust, rusted, rusty, stack, steel, straight, structure, technology, texture, tube, up, used, water,