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Ключевые слова:
compressor, condenser, control, duct, economy, electricity, energy, engine, engineer, engineering, equipment, facility, factory, gas, gasoline, generator, heating, helmet, industrial, machine, machinery, maintain, maintenance, manufacturing, mechanical, occupation, pipe, pipelines, plan, power, pressure, production, pump, quality, refinery, safety, service, state, station, steel, supply, survey, technician, technology, tube, turbine, valves, verify, work, zone,