Ключевые слова: 220, available, background, cable, connect, connection, copy, cord, design, device, double, electric, electrical, electricity, electronic, energy, equipment, free, hand, home, house, household, interior, isolated, line, machine, network, nobody, object, outlet, plastic, plug, power, save, socket, space, supply, technology, telephone, thailand, two, volt, voltage, wall, white, wire,