9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, supervision, life-saving and teaching apparatus and instruments, namely, sensor chips for scientific use, prisms for scientific use, glassware for scientific experiments in laboratories, underwater housings for cameras, GPS navigation devices, surveying instruments, photographic cameras, photographic filters, photographic transparencies, photographic flash units, cinematographic cameras, cinematographic machines and apparatus, optical disk readers, optical filters, optical inspection apparatus for industrial use, weighing machines, scales, instruments for measuring length, distance measuring apparatus, gravity measuring apparatus, laser measuring systems, measuring cups, digital signal processors, emergency signal transmittors, life belts, life boats, life jackets, life preservers, life nets, life buoys, medical teaching mannequins, multimedia projectors, and technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids; apparatus for recording, transmission or reproduction of sound and images; magnetic data carriers, namely, blank magnetic data carriers, and prerecorded magnetic data carriers featuring music and children's entertainment; recording discs, namely, blank recordable optical discs, blank magnetic discs, pre-recorded CDs, laser disks and DVDs featuring music, comedy, drama, and children's entertainment; mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; computer software for use in providing live video on the Internet; fire-extinguishing apparatus; computer programs for use in providing live video on the Internet; computer game programs; downloadable software for use in providing live video on the Internet