Ключевые слова: air, background, blue, building, chimney, cloud, coal, combined, danger, ecology, electric, electrical, electricity, energy, environment, factory, fuel, fumes, furnace, gas, generation, generator, global, heat, heavy, industrial, industry, landscape, manufacturing, nuclear, pipe, plant, pollution, power, production, sky, smoke, station, steam, supply, system, technology, thermal, tower, tube, turbine, unit, urban, view, white,