[Microscopes; Signal mirrors; Optical apparatus and instruments, namely, communications link testers and electronic digital transmitters;] Optical lenses; Lasers, not for medical purposes; [Optical lamps; Pince-nez; swim, night vision goggles;] Stabilized voltage power supply; Low voltage power supply; [Fibre optic cables; Protection devices for personal use against accidents, namely, nets, asbestos gloves; Clothing for protection against accidents, irradiation and fire; Solderers' helmets;...