9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
pre-recorded videocassettes, pre-recorded audiocassettes and pre-recorded software on cd roms, diskettes and magnetic tapes all featuring educational material over a wide range of curricular subjects and pre-recorded software that is downloadable from a remote computer site for use by teachers, students and parents over a wide range of curricular areas, sold alone and together with student, parent and teacher guides as a unit in grades k through 12