Ключевые слова: boiler, boiler room, clock, closeup, closeup of manometer, control, device, equipment, faucet, fuel, gage transducer, gas, gate, heat, heating system, heating water, hydraulics, hydrostatic instrument, indicator, industrial, industry, light circle, manometer, manufacture, manufacturing, measurement, measuring, measuring element, metal, needle, pharmaceutical, pickoff, pipes, power, pressure gauge, pressure hose, pump, room, round light, steam, steel, system, technology, temperature, thermal insulation, thermoinsulation, value, valves, workplace,