Automatic cash registers; Bar code printers; Cash registers; Cash registers, calculating machines and data processing equipment and computers; Computer peripherals and parts thereof; Document printers for use with computers; Dot matrix printers; Electronic equipment for point-of-sales (POS) systems, namely, point-of-sale terminals, bar code readers, optical readers, advertisement display monitors, keyboards, printers, scanners, radio transmitters, radio receivers, computer hardware, and compu...