Fiber optic lasers, not for medical purposes; Fiber optic amplifiers; Raman lasers, not for medical purposes; Laser color printers; Laser diodes; Lasers for industrial use; Lasers not for medical use; Integrated circuits; Blank integrated circuit cards; Printed circuit boards; Fiber optic cables; Light conducting filaments; Optical condensers; Printers for use with computers; Fiber optics