9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, supervising, life-saving, and teaching apparatus and instruments, namely, cameras, scales, measurement tools, namely, instruments for measuring lengths, measuring cups, measuring glassware, measuring spoons; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electric conductors, electrical cables, electric switches, electric controllers; electrical power boards, namely, electronic notice boards, electronic circuit boards, electronic indicator boards; apparatus for recording, transmission or reproduction of sound or images; blank magnetic data carriers, blank recording discs, blank flash drives, MP3 players; pre-recorded compact discs featuring educational and instructional information in the fields of science and technology and pre-recorded DVDs featuring educational and instructional videos in the fields of science and technology; blank digital recording media; mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment, computers; computer software, namely, downloadable software that provides instruction and educational materials in the fields of science and technology; fire-extinguishing apparatus; electric control devices for lighting, heating and locks