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 09 Parts suitable for use solely or principally with the engines of heading 8407 or 8408 84 09 91 - - -Other 84 09 91 90 - - -Other Commodity Code Description 84 09 91 90 000 - - -Other