9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, supervision, life-saving and teaching apparatus and instruments, namely, speedometers, optical lenses, measuring tapes, beakers, weighing scales, cameras and digital video recorders, scales, directional compasses and protection and safety apparatus, inflatable floatation devices, electrical and electronic acceleration torque and positioning angle sensors, electrical and electronic controls for motors, optical filters, electric switch housings, frames for attachment to computer monitors, drive invertors, central processing unit coolers, boiling temperature probes, thermostats, apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current, speed indicators, data processing equipment and computers, data carriers containing store typographic typefaces, life vests, life-saving rafts, life buoys; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical conductors, switches, transformers, inverters, batteries, voltage regulators, rheostats, and voltage and current limiting devices, electric generators, solar cells, solar panels, photovoltaic systems that convert sunlight into electric and thermal energy, photovoltaic cells also including a solar thermal collector sold as a unit,; apparatus for recording, transmission or reproduction of sound or images, namely, stereo amplifiers, stereo receivers, radios, audio tape players, audio tape recorders, digital recorders, DVD-players, compact disc players, digital versatile disc players, video cassette recorders, television sets, MP3 players, blank magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines; data processing equipment and computers; fire-extinguishing apparatus