Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, life-saving and teaching apparatus and instruments, namely 2D and 3D cameras; apparatus for recording, transmission or reproduction of sound or images; blank magnetic recording media, namely hard drives, USB hard drive keys, tapes, and blank optical or sound recording disks; compact disks, DVDs and other digital recording media featuring images, 3D models or medical information; ...