Ключевые слова: blue, close up, control, dial, distribution, electric, energy, engine, equipment, factory, faucet, foil, gauge, glass wool, hydraulic, indoors, industrial, industry, line, machine, machinery, manometer, manufacturing, measurement, metal, meter, motor, pipe, pipeline, piping, plant, power, pressure, pump, row, station, steel, structure, supply, system, tap, technology, tube, valve, water, water pump,