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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.
component of video instructional materials recorded on digital video discs featuring teacher education instruction, and which allows teachers to gain experience in teaching methods through the observation of other teachers and the demonstration of classroom teaching techniques, and printed instructional materials in the field of teacher education sold together therewith as a unit, all for use by teachers as part of obtaining graduate credit toward enhancing teacher credentialing teacher credentials/licenses or enhancing professional development