Ключевые слова: antique, backgrounds, big, black, brown, check valve, closeup, color image, crank, cutoff, engineering, equipment, faucet, gate, gray, handle, industry, iron, machine, machine part, metal, no people, obsolete, old, oldfashioned, part of, past, pipe, rustic, rusty, single object, steel, stop, tube, valve, watertube,