Compact discs (audio-video); compact discs (read-only memory); computer operating programs, recorded; computer peripheral devices; computer programmes (programs), recorded; computer programs (downloadable software); computer software (recorded); data media (magnetic -) data media (optical -); data processing apparatus; discs (compact -) (audio-video); discs (compact -) (read-only memory); discs (optical -); disks (magnetic); floppy disks; precision measuring apparatus; programs (computer -) (downloadable software); programs (computer operating -) recorded