Computers, computer software, apparatuses, equipment, instruments, robotics, and related accessories, for scientific, nautical, surveying, fire extinguishing, photographic, cinematographic, optical, weighing, measuring, signaling, checking (supervision), life-saving, personal use, hobby, and teaching; and for conducting, switching, transforming, accumulating, regulating or controlling electricity; and for recording, transmission or reproduction of sound or images; and for calculating; and for...