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 68 MACHINERY AND APPARATUS FOR SOLDERING, BRAZING OR WELDING, WHETHER OR 84 68 90 PARTS OF MACHINERY & APPARATUS FOR SOLDERING/BRAZING/WELDING, WHETHER OR.. Commodity Code Description 84 68 90 00 PARTS OF MACHINERY & APPARATUS FOR SOLDERING/BRAZING/WELDING, WHETHER OR..