Ключевые слова: adjusting, appliance, attach, ball faucet, closeup, connection, construction, control, detail, engine, engineering, equipment, faucet, fitting, fixing, industrial, industry, installing, iron, maintenance, metal, off, old, on, pipe, pipeline, plumbing, pressure, red, regulator, repair, return, sanitary engineering, steel, stopcock, swing check valve, switch, system, tube, turn off, turn on, valve, water, water supply, watering,