9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking and supervising, life-saving and teaching apparatus and instruments, namely, prisms for scientific purposes, optical disk drives, cameras; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical cables, electrical conductors, electrical controllers; apparatus for recording, transmission or reproduction of sound or images, namely, video recorders, MP3 players, radios; blank magnetic data carriers and record discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus