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 12 Other engines and motors. 84 12 10 84 12 10 00 Commodity Code Description 84 12 10 00 00 - Reaction engines other than turbo-jets 84 12 21 00 00 -- Linear acting (cylinders) 84 12 29 00 00 -- Other 84 12 31 00 00 -- Linear acting (cylinders) 84 12 39 00 00 -- Other 84 12 80 00 00 - Other 84 12 90 00 00 - Parts