Ключевые слова: air, architecture, background, building, chemical, chemistry, chimney, city, construction, danger, dark, destruction, dirty, disaster, ecology, energy, environment, environmental, equipment, factory, gas, global, heat, heavy, industrial, light, manufacturing, metal, metallurgical, metallurgy, night, oil, pipe, plant, pollution, power, production, refinery, sky, smog, smoke, station, steam, steel, sunset, technology, tower, toxic, tube,