Ключевые слова: auto, automotive, blue, business, chemical, chemistry, chimney, color, construction, dark, distillery, economy, energy, engineering, environment, equipment, factory, fuel, gas, gasoline, global, industrial, industry, iron, light, metal, night, oil, petrochemical, petrol, petroleum, pipe, pipeline, plant, pollution, power, production, refinery, sky, smoke, smokestack, stack, station, steel, structure, sunset, supply, tank, technology, tower,