Ключевые слова: big, chemical, delivery, energy, engineering, factory, flammable, flow, fuel, gas, gasoline, heat, heavy, horizontal, huge, industrial, leak, line, modern, network, oil, petrochemical, petrol, petroleum, pipe, pipeline, piping, power, pressure, production, pump, residential, resources, steam, steel, supply, system, technology, transportation, tube, utility, wide,