[ Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, supervision, life-saving and teaching apparatus and instruments, namely, life belts, life-buoys; apparatus and instruments, namely, compasses for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus, namely, digital cameras for recording, transmission or reproduction of sound or images; magnetic recording media, namely, blank recor...