Ключевые слова: business, chemical, chemistry, chimney, construction, crude, dark, distillery, energy, engineering, equipment, factory, fuel, gas, gasoline, heavy, industrial, industry, light, metal, net, oil, petrochemical, petrol, petroleum, pipe, pipeline, plant, pollution, power, production, refinery, sky, station, steel, storage, structure, sunset, supply, tank, technology, tower, toxic, transportation, tube, valve,