Ключевые слова: alternative, alternative energy, array, background, cell, eco, ecological, electricity, energy, energy saving, environment, environmental conservation, environmental issues, equipment, fuel and power generation, generator, grid, light, panel, photovoltaic, power, reflection, renewable, renewable energy, selective focus, sky, solar, solar energy, solar equipment, solar panel, solar power, solar power station, sun, sunbeam, sunlight, sustainability, sustainable energy, sustainable resources, technology,