Ключевые слова: alternative, background, bulb, clean, closeup, concept, conservation, eco, efficiency, efficient, electric, electrical, electricity, energy, environment, equipment, field, florescent, fluorescent, friendly, frugality, glass, grass, grassy, green, idea, innovation, intelligent, lamp, lawn, light, lightbulb, meadow, nature, object, power, protection, recycle, renewable, resource, save, saver, shine, single, solar, spiral, sustainability, tube, turf, watt,