Ключевые слова: boiler, building, chemical, connection, construction, control, distribution, energy, engineering, environment, equipment, factory, faucet, fuel, gas, gasoline, gauge, heat, indicator, industrial, industry, instrument, line, liquid, machine, manufacturing, measure, measurement, metal, meter, natural, oil, pipe, pipeline, plant, plumbing, pollution, power, pressure, production, pump, station, steel, supply, system, technology, tube, valva, water,