Apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers; sound and image recording carriers and other data carriers of all kinds (included in this class), in particular video cassettes, records, music cassettes, compact discs, video discs, optical discs, DVDs, CD-ROMs, magnetic data media for instructional and teaching purposes; software, in particular for teaching and educational purposes, in particular apps (application software); data processing equ...