Ключевые слова: brown, building, business, chemical, chemistry, chimney, complex, distillery, energy, engineering, environment, factory, fuel, gas, global, heavy, high, industrial, industry, machine, manufacture, metal, night, oil, petrochemical, petrol, petroleum, pipe, pipeline, pipes, plant, pollution, power, production, refinery, resource, sky, smoke, station, steam, steel, structure, sunset, technology, tower, tube, twilight, warming,