9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking and supervision, lifesaving and teaching apparatus and instruments, namely, electrical and electronic signal-measuring instruments for electrical testing; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical measurement instruments for measuring electricity, electric generators, and electrical testing machines in the nature of electrical outlet tester, pulse generators for testing electric current, electrical eddy current test equipment, voltmeters; apparatus for recording, transmission or reproduction of sound or images; data processing apparatus, computers; computer peripheral devices; electric relays; diagnostic apparatus for non-medical use, namely, electronic testing equipment in the nature of electric sensors, electric meters, voltmeters for the detection of electrical circuit or functional failure; on-board electronic equipment and electronic testing equipment, namely, on-board aircraft, train, air, water and land vehicle electronic equipment used as a means of electrical system testing for aircraft, train, air, water and land vehicles, namely, electrical outlet tester, pulse generators for testing electric current, electrical eddy current test equipment, electric sensors, electric meters, voltmeters