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 05 PRODUCER GAS OR WATER GAS GENERATORS; ACETYLENE GAS GENERATORS, ETC Commodity Code Description 84 05 10 Producer gas or water gas generators, with or without their purifiers; acetylene 84 05 90 Parts