Section 16 MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THEREOF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORDERS AND REPRODUCERS AND PARTS AND ACCESSORIES OF SUCH ARTICLES 84 NUCLEAR REACTORS, BOILERS, MACHINERY AND MECHANICAL APPLIANCES; PARTS THEREOF 84 60 GRINDING STONES, ABRASIVE OR POLISHING PRODUCTS OTHER THAN GEAR 84 60 31 SHARPENING MACHINES : NUMERICALLY CONTROLLED Commodity Code Description 84 60 31 00 SHARPENING MACHINES : NUMERICALLY CONTROLLED