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Ключевые слова:
alternative, background, blue, clean, climate, eco, ecological, ecology, electric, electrical, electricity, electronic, energy, engineering, environment, environmental, equipment, future, generation, generator, green energy, industry, innovation, irrigation, land, magnification, native, nature, panel, photovoltaic, power, produce, protection, renewable, research, scenery, sky, solar, solar panel, state, station, sun, sustainable, system, technology, turbine, wild, wind, windmill,