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; partsthereof 84 64 MACHINE-TOOLS FOR WORKING STONE, CERAMICS, CONCRETE, ETC Commodity Code Description 84 64 10 Sawing machines 84 64 20 Grinding or polishing machines 84 64 90 Other