Ключевые слова: boiler, boilerhouse, button, circulation, connector, control, delivery, electric, energy, equipment, factory, faucet, flange, fuel, gas, gauge, heat, heater, heating, hose, industrial, industry, insulation, machine, machinery, manometer, measurement, measuring, metal, modern, nobody, part, pipe, pipeline, plumbing, power, pressure, pump, stainless, steam, steel, system, temperature, thermostat, tube, valve, water,