Audio speakers; Calculating machines, data-processing equipment and computers; Computer network adapters; Computer parallel ports; Computer serial ports; Electric cables, wires, conductors and connection fittings therefor; Electric cords for use with recreational vehicles, computers; Electric wire and cable; Extension cords for use with recreational vehicles, computers; Mileage recorders for vehicles; Optical fibres, telephone receivers, switchboards, telephone and telegraph wires, video tele...