Ключевые слова: balance weight, built, bunded, burner, carbon, carving, chimney, connector, counterbalance, diesel, drive, electric motor, electrocable painted, environment, equipment, flange, fuel, gas, gate, hairpins, head, manifold, manometer, nuts, oil, oil field, oil well, paronite, petrochemical, pipe, pipeline, pipes, pipework, pollutant, pollution, power, pressure, production, pump, pumping, reducer, refinery, rocking chair machine, rod, sand, supply, technology, throttle, tightness, valve,