Ключевые слова: appliance, background, black, cable, connect, connector, cord, double, efficiency, electric, electricity, energy, equipment, european, grounded, home, house, industry, interior, line, network, object, outlet, plastic, plate, plug, power, relationship, save, simple, single, socket, space, supply, technology, texture, tools, two, type, voltage, wall, wallpaper, white, wire,