Ключевые слова: bar, brown, close, closeup, construction, corrode, corroded, corrosion, drain pipe, drainpipe, elements, fire, flow, gas, ground, group, heavy, hole, hydrant, industrial, industry, iron, junk, mass, material, metal, oil, old, parallel, petroleum, pile, pipe, pipeline, pipes, piping, pumping, reinforced, round, rust, rusted, rusty, stack, steel, straight, structure, technology, texture, top view, tube, used, water,