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 56 MACHINE-TOOLS FOR WORKING ANY MATERIAL BY REMOVAL OF MATERIAL, BY 84 56 30 MACHINE TOOLS FOR WORKING ANY MAT..OPERATED BY ELECTRO-DISCHARGE PROCESSES Commodity Code Description 84 56 30 00 MACHINE TOOLS FOR WORKING ANY MAT..OPERATED BY ELECTRO-DISCHARGE PROCESSES