Computers, computer software, computer printers, digital printers, ink jet printers, multi-function printers incorporating copying and/or scanning and/or faxing capabilities, bar code printers, photocopiers, image scanners, digital projectors, liquid crystal display projectors, liquid crystal displays; digital cameras; modems, display monitors, memory units, floppy disk drives, monitors, magnetic storage devices; LED lamp for image scanners, downloadable electronic publications; scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment; fire-extinguishing apparatus