Ключевые слова: barrel, blue, business, chemical, chemical plant, chemistry, chimney, construction, crude oil, diesel, distillation, energy, engineering, environment, factory, fossil, fuel, gas, gasoline, horizontal, illuminated, industrial, industry, manufacturing, metal, night, oil, oil industry, oil refinery, outdoors, petrochemical, petroleum, pipe, pipeline, plant, pollution, power, production, refinery, sky, smoke, steam, steel, sunset, supply, tank, technology, tower, twilight,