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 71 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR 84 71 90 OTH. AUTOMATIC DATA PROCESSING MACHINES & UNITS THEREOF; MAGNETIC/OPTICAL. Commodity Code Description 84 71 90 00 OTH. AUTOMATIC DATA PROCESSING MACHINES & UNITS THEREOF; MAGNETIC/OPTICAL.