Ключевые слова: alternative, background, benefit, bulb, bulbs, concept, conservation, consumption, costs, dark, eco, ecological, ecology, economy, effective, efficiency, efficient, electric, electricity, energy, environment, finance, green, home, house, household, improve, improvement, innovation, kwh, lamp, lighting, management, modern, money, power, recycle, reduce, reduction, renewable, resources, save, saving, solar, solution, sources, technology, text, warming, watt,