Ключевые слова: appliance, background, cable, circuit, concept, conceptual, connect, connection, conserve, cord, danger, demonstrate, demonstrating, device, electric, electrical, electrician, electricity, energy, environmental, equipment, hand, hold, insert, inserting, installation, object, orange, outlet, plastic, plug, plugin, power, pull, remove, safe, safety, save, socket, socket plug, sockets, supply, technical, technology, unplug, unplugging, voltage, volts, wire, wires,