Apparatuses and instruments for scientific, navigational, surveying, electrical, photographic, film, optical, weighing, measuring, signaling, control, life-saving as well as educational and training purposes (insofar as contained); equipment for recording, transmitting and playing back of sound and picture; recording media, in particular pre-recorded and blank data carriers, especially videos, CD-ROMs, hard drives, sound tapes, film tapes, vinyl records, compact disks, micro-cassettes, music ...