Ключевые слова: background, boiler, building, construction, control, device, energy, engineering, equipment, factory, flow, fuel, gas, gauge, heat, home, hot, house, indicator, industrial, instrument, machine, maintenance, manometer, measurement, metal, meter, oil, pipe, pipeline, plant, plumber, plumbing, power, pressure, pump, service, station, steam, steel, system, technology, temperature, thermostat, tool, tube, valve, water, work,