9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, supervision, life-saving, and teaching apparatus and instruments, namely, cameras, digital cameras, movie cameras, motion picture cameras, scales, telescopes, microscopes, fiber optics; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical transformers, integrated circuits, batteries, electric wires, microcircuits, circuit boards, battery chargers; apparatus for recording, transmission or reproduction of sound or images; blank magnetic data carriers, blank recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculators; data processors and computers; fire-extinguishing system