Scientific, photographic, optical, weighing, measuring, checking (supervision) apparatus and instruments, namely, [ calipers, gauges, ] styluses and profilers for measuring, detecting, analyzing, and evaluating the surface characteristics of paper and paperboard; [ magnetic data carriers, recording discs, compact discs, DVDs and other digital recording media sold blank for recording; ] computer software for use in the operation of [ calipers, gauges, ] styluses, profilers and other measuring ...