9 Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments, namely, cinematographic projectors, electronic navigational and positioning apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity, namely, electrical conductors, electrical current switches, distribution transformers; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable computer software for packaging machines; blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating machines; computers and computer peripherals; diving suits, scuba diving masks, ear plugs for divers, nose clips for divers and swimmers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus; data-processing equipment; recorded and downloadable control software for packaging, transport, dosing and sealing machines