Ozonisers being ozonators; electric signboards, namely, signs for displaying target figures, current outputs or the like; vending machines; metered gasoline pumps for service stations; fire alarms; gas alarms, namely, alarms for the detection of inflammable gases; railway signals; vehicle breakdown warning triangles; luminous or mechanical road signs; vehicle drive training simulators; optical apparatus and instruments, namely, optical character recognition apparatus, optical inspection apparatus for industrial use, and scientific and technical apparatus, namely, optical mirrors; measuring or testing machines and instruments, namely, voltmeters; power distribution or control machines and apparatus, namely, power distributing boxes; batteries and electrical cells; electric or magnetic meters and testers, namely, circuit testers, electrical outlet testers, flow meters and electric meters; electric wires and cables; electric buzzers; telecommunication machines and apparatus, namely, microphones and fuses; electronic machines, apparatus and their structural parts, namely, computer hardware, electrical circuit boards, system boards and processors, computer interface boards and electronic notice boards, semiconductors and diodes; magnetic cores; resistance wires; electrodes; consumer video game programs, namely, interactive video game programs; apparatus for consumer video games adapted for use with an external display screen or monitor, namely, games adapted for use with television receivers; electronic circuits; CD-ROMs prerecorded with computer programs for playing hand-held games with liquid crystal display game machines; CD-ROMs prerecorded with automatic performance programs for electronic musical instruments; prerecorded video discs and video tapes featuring music