Ключевые слова: alternative, blade, cloudscape, color, conservation, day, diminishing, efficiency, electricity, energy, environment, environmental, farm, fuel, generation, generator, global, hill, horizontal, image, industry, mill, nature, nobody, outdoors, pasture, perspective, power, propeller, recycling, resource, service, sky, spring, summer, sun, supply, technology, turbine, view, warming, white, wind,