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 05 OR WITHOUT THEIR PURIFIERS. 84 05 90 PARTS: PRODUCER GAS OR WATER GAS GENERATORS Commodity Code Description 84 05 90 00 PARTS: PRODUCER GAS OR WATER GAS GENERATORS