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; compact discs, DVDs and other digital recording media; mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment, computers; computer software; fire-extinguishing apparatus; apparatus for transmitting and reproducing images, namely a head-mounted display that allows images from computers and smart phones to be viewed by the wearer; computer software for use with head-mounted display; eyeglasses; parts, fittings and accessories for the aforesaid goods as far as included in this class