Ключевые слова: alternative, angle, blue, brick, building, business, cell, clear, component, conservation, copy, day, design, electrical, electricity, energy, environmental, equipment, focus, front, generation, green, heater, house, leaves, low, mirror, nobody, outdoors, panel, pattern, power, red, renewable, roof, row, selective, side, sky, solar, space, station, summer, technology, tile, tree, view, wall, window,