Ключевые слова: aid, building, button, concept, conservation, consumption, cooperate, cord, device, earth, eco, ecology, efficiency, electricity, energy, environment, equipment, extension, finger, first, future, green, hand, help, home, house, household, light, management, money, off, plug, power, protect, recycle, reduce, save, security, shutdown, solar, standby, surge, sustainability, switch, turn, unplug, usage, voltage, white, world,