Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, supervision, life-saving and teaching apparatus and instruments, namely, life vests; apparatus for recording, transmission, reproduction of sound or images; magnetic data media, namely, blank magnetic data carriers, blank sound recording disks; blank recordable CD-Rs, blank recordable DVDs and other digital recording media, namely, blank digital storage media; bags and cases for ...