Ключевые слова: boiler, building, checking, circulation, control, controlling, energy, engineer, equipment, examining, gas, hand, heat, heater, home, hvac, indicator, industrial, industry, inspector, maintenance, man, manometer, measurement, measuring, meter, pipe, pipeline, plant, plumber, plumbing, power, pressure, pump, reading, repairman, room, service, system, technician, technology, thermostat, valve, vessel, water, work, worker,