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 47 Knitting machines, stitch-bonding machines and machines for making gimped yarn, 84 47 12 84 47 12 00 Commodity Code Description 84 47 12 00 00 -- With cylinder diameter exceeding 165 mm