Ключевые слова: alternative, bright, bulb, closeup, concept, conservation, eco, ecofriendly, ecologic, ecological, economic, economy, efficiency, efficient, electric, electrical, electricity, energy, energysaving, environment, environmental, fluorescent, friendly, glass, grass, green, innovation, lamp, light, lightbulb, lighting, modern, nature, pollution, power, recycle, save, savings, shine, technology, watt,