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Ключевые слова:
alternative, clean, climate, conservation, development, eco, ecological, ecology, efficiency, electric, electrical, electricity, energy, environment, environmental, farm, field, generate, generation, generator, global, green, industry, innovation, landscape, nature, plant, power, production, propeller, recycling, render, renewable, resource, rotation, science, sky, sun, sunrise, sunset, sustainable, system, technology, turbine, warming, wind, wind farm, wind turbine, windmill,