Ключевые слова: air, area, background, beautiful, blue, business, chemical, chemistry, chimney, construction, distillery, energy, engineer, engineering, environment, factory, fuel, gas, gasoline, heavy, industrial, industry, landscape, light, manufacturing, metal, night, oil, oilrefinery, petrochemical, petrol, petroleum, pipe, pipeline, pipes, plant, pollution, power, production, refinery, sky, smoke, steam, storage, structure, sunset, tank, technology, tower, worker,