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Ключевые слова:
alarm, background, boiler, closeup, control, cooling, emergency, energy, engineering, equipment, factory, fighting, fire, focus, gas, gauge, industrial, industry, instrument, light, machine, macro, manometer, measure, measurement, metal, meter, pipe, pipeline, piping, plant, power, precise, pressure, protect, protection, psi, pump, red, safety, steel, system, technology, tool, valve, valves, water,