Ключевые слова: alternative, chemical, chemistry, connect, distribution, drilling, ecology, energy, environment, equipment, exploration, facility, factory, flange, flow, fuel, gas, gasoline, industrial, industry, installation, iron, liquid, machine, metal, methane, natural, oil, open, petrol, petroleum, pipe, pipeline, plant, power, pressure, pump, refinery, resource, rusty, source, steel, supply, technology, toxic, transit, tube, valve, wheel,