Ключевые слова: abstract, background, blue, building, closeup, connector, construction, corrosion, decay, energy, engineer, flow, hole, industrial, industrialplant, industry, iron, line, material, metal, modern, object, oxidation, pattern, pile, pipe, pipeline, pipelines, pipes, power, refinery, round, rust, rusty, shape, stack, steel, structure, technology, texture, tool, tube, water,