9 Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signaling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments, namely, ultra-high vacuum chambers; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity, namely, clamp meters for measuring electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data, namely, video cameras, smartphones, and MP3 players; recorded and downloadable media, computer software, blank digital or analogue recording and storage media, namely, blank recordable DVDs and CDs; mechanisms for coin-operated apparatus; cash registers; calculating devices, namely, calculators; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers and swimmers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus