Ключевые слова: brown, cavity, construction, corrode, corrosion, curves, decay, elements, garbage, heavy, hole, industrial, industry, iron, large, line, liquids, long, material, metal, nature, object, oil, old, oxidation, parallel, petroleum, pile, pipe, pipeline, piping, pumping, round, rusted, rusting, rusty, scrap, scrappipe, stack, steel, straight, structure, texture, tube, used, waste, water,