Ключевые слова: air, building, business, chemical, chemistry, chimney, construction, dusk, energy, engineering, environment, factory, fuel, gas, gasoline, global, industrial, industry, landscape, light, manufacturing, metal, modern, night, oil, petrochemical, petrol, petroleum, pipe, pipes, plant, pollute, pollution, power, production, refinery, silhouette, sky, smoke, steam, steel, structure, sun, sunrise, sunset, technology, tower, two, warming,