Scientific, nautical, surveying, photographic, cinematographic, optical, measuring, signaling, checking, life-saving and teaching apparatus and instruments, namely, cameras, computers, video projectors, printers, scanners, computer screens and touchscreens; weighing apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, voltage regulator, oscilloscope, waveform analyzer, logic analyzer, wavefor...