9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, namely, apparatus for recording, transmission or reproduction of sound or images; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electricity conduits, electricity limiters; Blank magnetic data carriers, Blank recording discs; Blank compact discs, DVDs and other digital recording media, mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment, namely, computers; computer software for database management, creating searchable databases of information and data, communicating with users of hand-held computers; fire-extinguishing apparatus; downloadable computer applications, namely, software for use in database management, use in electronic storage of data; computer software recorded programs for spreadsheet management; computer operating programs; recorded computer programs for use in database management; interfaces for computers; downloadable electronic publications; blank USB memories; Computer hardware and peripherals therefor; disk drives