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.
computer hardware, software, and sensors for use in connection with the design of drill bits, modeling, simulation, testing and analysis of drill bit and rock drilling tool performance, recordation and reporting of data and drilling variables, and selection and performance of drill bits, rock drilling tools and equipment