Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), lifesaving and teaching apparatus and instruments; 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 and computers; computer software; computer hardware; electronic and electromechanical peripheral apparatus, all for use with computers; computer networks; computer programmes and programming languages; microprocessors; central processing units; circuit boards; integrated circuits; storage and network controllers and devices; data recorded magnetically, electronically, or optically; instructional material relating to computers and to data, all recorded magnetically, optically or electronically; magnetic, optical and electronic data recording materials.;