Ключевые слова: appliance, background, backup, blue, cable, circle, color, connect, copy, cord, device, electric, electrical, energy, equipment, extender, extension, filter, household, housework, industrial, instrument, long, nobody, object, outlet, plastic, plug, power, protect, protection, push, reel, roll, safety, socket, space, supply, switch, table, technical, technology, text, tool, voltage, wire, wired, wooden,