Ключевые слова: alternative, biomass, cartoon, chimney, clean, coal, dam, electric, electricity, energy, environment, factory, field, flat, fossil, fuel, gas, generation, generator, hydro, hydroelectric, mix, nuclear, oil, panel, plant, pollution, power, powerhouse, propeller, radioactivity, reactor, renewable, resource, resources, smog, solar, sources, station, sun, supply, sustainable, thermal, turbine, turbines, type, water, wind, windmill,