Ключевые слова: background, blue, building, chemical, chemistry, chimney, construction, distillation, distillery, energy, engineering, environment, equipment, factory, fuel, gas, gasoline, heavy, industrial, industry, japan, kansai, metal, night, oil, osaka, petrochemical, petrol, petroleum, pipe, pipeline, plant, pollution, power, production, refinery, sky, steel, sunset, supply, technology, tower, tube,