9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking, supervision, life-saving and teaching apparatus and instruments, namely, scales and cameras; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical conductors, switches, transformers, accumulators, voltage regulators and electrical controllers; apparatus for recording, transmission or reproduction of sound or images; pre-recorded magnetic data carriers, video discs, compact discs, DVDs and other digital recording media in the nature of downloadable audio files, all featuring music; coin-operated mechanisms for television sets; cash registers, calculating machines, data processing equipment, computers; computer software for use in database management; fire-extinguishing apparatus; sun glasses