Ключевые слова: air, blue, building, built, business, chemical, chimney, day, distant, electricity, energy, environment, exterior, facility, factory, frame, frost, fuel, fumes, generation, heavy, industrial, industry, manufacturing, nature, outdoors, physical, plant, pollution, power, season, sky, smog, smoke, snow, station, steam, structure, substance, tall, technology, tower, tube, weather, white, winter, wintertide, wintertime,