Ключевые слова: background, black, cable, central power plant, closeup, computer, connect, connection, connector, cord, counter, current, dangerous, device, ecology, electric, electrical, electricity, electronic, energy, engage, english, entrepreneur, equipment, europe, european, extension, extension cord, home, industrial, industry, insert, isolated, italian, lighting, line, multi socket, network, object, plastic, plug, power, save, saving, supply, technology, transfer, white, wire, wired,