9 Magnets, magnetizers and demagnetizers; optical devices, enhancers, and correctors; safety, security, protection and signalling devices; scientific research and laboratory apparatus, educational apparatus and simulators; measuring, detecting, monitoring and controlling devices; navigation, guidance, tracking, targeting and map making devices; information technology and audio-visual, multimedia and photographic devices; apparatus, instruments and cables for electricity; glasses, sunglasses and contact lenses; mirrors for inspecting work; anti-reflective lenses; plain lenses; optical cases; circular contact lenses; optical glass