Ключевые слова: air, architecture, atom, background, backgrounds, blue, chemistry, chimney, coal, construction, cooling, damage, danger, electricity, energy, environment, environmental, equipment, factory, fossil, fuel, fumes, generation, generator, industry, lights, line, manufacturing, nature, night, nuclear, physical, picture, plant, pollution, power, radiation, reactor, science, smoke, stack, station, steam, structure, supply, symbol, technology, tower,