9 [ Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signalling, checking, life-saving and teaching apparatus and instruments, namely, binoculars, photographic cameras; apparatus for recording, transmission or reproduction of sound or images, namely, tape recorders, audio cassette recorders, video cassette recorders, digital audio recorders and players; blank magnetic data carriers; pre-recorded compact discs featuring music, educational information and learning tools, namely, spelling and math games; blank discs for computers; automatic vending machines; cash registers, calculators,] data processors and computers, monitors; software for computer network security, load balancing, firewalls and routing