Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, signalling, checking (supervision), life-saving 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; fire- extinguishing apparatus; video and audio recordings, digital calculators; time zone calculators; sunglasses; screen savers; radios and radio incorporating clocks; binoculars; telephones; levels; magnets, computer mouse pads; computer game programs and instructional material therefor; and computer programs for use in flight simulation and instruction manuals