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 86 Machines and apparatus of a kind used solely or principally for the ma nufacture of semiconductor boules or wafers, semiconductor devices, el ectronic integrated circuits or flat panel displays; machines and appa ratus specified in Note 11(C) to this Chapter; parts and accessories. Commodity Code Description 84 86 10 Machines and apparatus for the manufacture of boules or wafers 84 86 20 Machines and apparatus for the manufacture of semiconductors devices or of ...; 84 86 30 Machines and apparatus for the manufacture of flat panel displays 84 86 40 Machines and apparatus specified in Note 9 (C) to this Chapter 84 86 90 Parts and accessories