Electronic and optical communications instruments and components, namely, optical transceivers; Fiber optic instruments, namely, multifunction optical testers in the nature of reflection, transmission, color, diffraction, and strain testers all for use in the testing solid glasses, display screens, special materials, in the nature of polymers, gels, crystals, and metals, and coatings on the above mentioned glasses and screens; Lasers, not for medical purposes; Optical sensors; Transmitters of electronic signals