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 42 (FOR EXAMPLE, PLANED, GRAINED OR POLISHED). Commodity Code Description 84 42 30 MACHINERY, APPARATUS & EQUIPMENT FOR PREPARING/MAKING PLATES, CYLINDERS... 84 42 40 PARTS OF THE MACH., APPARATUS/EQUIPMENT FOR PREPARING/MAKING PLATES,...... 84 42 50 PLATES,CYLINDERS & OTHER PRINTING COMPONENTS; PLATES,CYLINDER FOR PRINTING