Ключевые слова: air, architecture, building, buildings, business, chimney, city, cold, construction, day, development, dust, electricity, energy, environment, equipment, factory, fuel, generation, heat, heavy, hot, image, industry, landscape, lapse, large, manufacturing, nature, nobody, pipe, plant, pollution, power, resources, sky, smoke, spring, stack, station, steam, storage, technology, thermal, time, tower, wealth,