Ключевые слова: ac, background, building, bulb, button, close, closeup, concrete, connection, conservation, conserve, control, current, electric, electrical, electricity, energy, environment, environmental, equipment, generation, home, house, illuminated, indoor, interior, lamp, life, light, modern, mounted, object, off, outlet, plastic, plug, power, press, receptacle, room, save, socket, supply, switch, technology, turn, volts, wall, white,