Ключевые слова: alternative, building, bulb, business, businessman, button, chart, class, classification, clean, concept, consumption, cost, diagram, eco, ecologic, ecological, ecology, economy, effective, efficiency, efficient, electric, electricity, energy, environment, environmental, equipment, generation, green, home, house, industrial, label, lamp, light, lightbulb, man, power, pressing, rating, recycle, recycling, renewable, residential, saving, solar, sustainable, virtual, warming,