9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, controlling, rescue and educational devices and instruments, namely navigational buoys, cameras, devices and instruments for conducting and leading, distribution, conversion, storage, regulation and controlling of electricity, namely voltage regulators, batteries, devices and instruments for recording, transmitting, controlling and playing sound, namely sound recording apparatus, DVD players, magnetic data carriers, namely blank magnetic data carriers, pre-recorded magnetic data carriers featuring sounds, electronically adjustable exhaust systems, disc-shaped sound carriers, namely blank compact discs, pre-recorded compact dics featuring music, vending machines and mechanisms for pre-paid devices; cash registers, calculators, data processors equipment and computers; fire-extinguisher