9 Electronic control circuits for electric fans; alarm sensors for refrigerators; refrigerator magnets; hybrid integrated circuits; logic circuits; integrated circuits; printed circuits; analog circuits, namely, analog circuits for electric fans; electric circuits switches; electronic circuits; flexible printed circuit boards; electronic integrated circuits; electric circuits boards and printed circuit boards; integrated circuit cards being smart cards; electronic control circuits for electronic musical instruments, electric heaters and fans; electronic control circuits for electronic musical instruments, electric heaters and fans; scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, supervision, life-saving and teaching apparatus and instruments, namely, sound recording apparatus and instruments, scales, balances, laser measuring systems, timers, electronic timers, time clocks, time recording apparatus, speed indicators, speedometers; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, insulated copper wire, conductive fibers for conducting electrical charges, automatic transfer switches, electrical switches, electrical transformers, electric accumulators; apparatus for recording, transmission or reproduction of sound or images; magnetic data media, namely, blank magnetic data carriers; sound recording discs, namely, blank CD-ROMs for sound recording; compact disks, DVDs and other digital recording media featuring instructions and manuals; mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; computer software for spreadsheet management, authorizing access to databases, or processing digital images in the field of heat exchangers and electronic control circuits; fire extinguishers