9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
[apparatus for measuring physical properties of materials-namely, strain test machines and gauges, temperature sensors, rock mechanics material properties test machines, well drilling simulators, lumber properties testers, mine support equipment testers, and specimen fracture toughness test machines and for expendable rock samples in the nature of rock specimens cut to a size to fit within a test machine that are sold individually for destruct testing]