Ключевые слова: bar, better, bulb, chart, classification, classify, comparison, conservation, conventional, cost, ecology, economy, effective, efficiency, electric, electrical, electricity, energy, environment, equipment, eu, fluorescent, generation, graph, green, home, idea, improvement, invoice, lamp, leaf, led, level, light, lightbulb, low, new, performance, power, rate, rating, red, regulation, right, save, saving, utility, watt, white, yellow,