Ключевые слова: abstract, adapter, background, ball, blue, brass, build, closeup, connection, connector, construction, copper, detail, engineering, equipment, fastening, faucet, fitting, flow, hose, industrial, industry, isolated, metal, nipple, pipe, pipeline, pipes, plumber, plumbing, red, regulator, repair, shiny, steel, tap, tee, tool, tube, valve, water, white, work, yellow,