Section 16 MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THERE OF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORD ERS AND REPRODUCERS, AND PARTS AND ACCESSORIES OF SUCH ARTICLES 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 05 Producer gas or water gas generators, with or without their purifiers; acetylene 84 05 10 84 05 10 00 Commodity Code Description 84 05 10 00 00 - Producer gas or water gas generators, with or without their purifiers; acetylene gas g 84 05 90 00 00 - Parts