Ключевые слова: boiler, brass, close, connection, construction, control, copper, energy, engineering, equipment, faucet, gas, handle, heat, home, hot, house, industrial, industry, metal, oil, pipe, pipeline, piping, plant, plastic, plumber, plumbing, power, pressure, red, repair, service, steel, supply, system, tap, technology, tool, tube, valve, water, white, work, wrench,