Ключевые слова: 3d, bar, communication, compression, conduit, construction, control, delivery, distribution, energy, equipment, factory, faucet, fuel, gas, gasoline, hydrogen, illustration, indicator, industrial, industry, junction, line, manometer, measurement, monitoring, nord, oil, petrochemical, petrol, petroleum, pipe, pipeline, piping, power, pressure, psi, pump, regulator, resource, row, stopcock, stream, supply, tap, technology, transit, transportation, tube, valve,