Ключевые слова: appliances, background, bills, blue, bright, bulb, cable, celebration, charge, christmas, color, colorful, computer, connection, contract, copy, decor, design, ecology, efficiency, electric, electrical, electricity, electronics, energy, environment, equipment, global, green, illustration, isolated, light, line, multi, network, nobody, object, ornament, party, plug, power, red, repair, saving, technology, white, winter, wire, yellow,