9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking supervision, life-saving and teaching apparatus and instruments, namely, pharmaceutical and scientific research equipment for use in mass spectrometers; optical devices, namely, optical lenses, optical cables, optical filters, optical fibres, optical sensors and optical receivers; safety, security, protection and signalling devices, namely, safety eyewear, safety helmets, safety tarpaulins, security control panels and motion detectors, clothing for protection against fire and chemicals; diving equipment, namely, helmets; navigation, guidance, tracking, targeting and map making devices, namely, GPS tracking and navigation devices; measuring, detecting, monitoring and controlling devices namely, length measuring instruments, heat detectors, alarm monitoring systems, and electric control panels; scientific research and laboratory apparatus, educational apparatus and simulators, namely, protective clothing especially made for use in laboratories, glassware for scientific experiments in laboratories, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, for energy management; electric cables; apparatus for recording, transmission or reproduction of sound or images; information technology and audio-visual equipment, namely computers and computer monitors; blank magnetic data carriers, blank recording discs; blank compact discs, blank DVDs; recorded computer software for use in database management; magnets, magnetizers and demagnetizers; mechanisms for coin-operated apparatus; cash registers, calculating machines, data processors, computers; downloadable computer software in the field of database management for chemicals; fire-extinguishing apparatus