Ear plugs for sleeping, ear plugs for sound proofing, ear plugs for swimming, optical glass, measuring glassware, glass covered with an electrical conductor, electric arc welding apparatus, apparatus for heat-cutting metals, ozonisers, electrolysers, egg-candlers, cash registers, coin counting and sorting machines, photocopy machines, electronic desk calculators, pocket-sized electronic calculators, calculating machines, mathematical instruments, time stamps, time recording devices, punched card machines for offices, voting machines, billing machines, apparatus to check stamping mails, vending machines, petrol pumps for service stations, petrol gauges, fuel dispensing pumps for service stations, self-regulating fuel pumps, coin-operated gates for car parks, life saving apparatus and equipments, extinguishers, fire hydrants, fire hose nozzles, sprinkler systems for fire protection, fire alarms, gas testing instruments, alarms for the detection of inflammable gases, electrical and electronic burglar alarms, protective helmets, railroad signals, vehicle breakdown warning triangles, luminous or mechanical road signs, divers' apparatus, apparatus for games adapted for use with television receivers only, video game cartridges, computer programs for pre-recorded games, television game apparatus for business use, electric door openers, electric door closing systems, motorized automatic door controller, flight simulators, flight simulators for aircraft, vehicle drive training simulators, simulator for athletic skill training, scientific apparatus, cameras, cinematographic cameras, optical apparatus and instruments, rulers, electrical distribution apparatus, rotary current transformers, phase modifiers, batteries, electric and magnetic measurement devices, electric wires and cables, electric irons, electric hair curlers, electric buzzers, telecommunication transmitters, computer programs used for electronic cash register systems, programs for electric calculators, magnetic cores, electric resistances, graphite electrodes, electrodes, fire boats, launch vehicles, fire engines, cigar lighters for automobiles, gloves for protection against accidents, dust masks, gas masks, welding masks, clothes for protection against fire, eyeglasses, television game apparatus for home use, electric circuits and CD-ROM storing program games for portable liquid crystal displays, weight belts, wet suits, life buoys, protective helmets for sports, air tanks for scuba diving, floats for bathing and swimming, voltage regulators, blank record disks, sound recorded magnetic cards, sheets and tapes, electric phonographs, metronomes, electronic circuit and CD-ROM storing automatic playing programs for electronic instruments, slide rules, movie films, exposed slide films, slide film mounts, videotapes and video disks recorded with animation, downloadable electronic publications