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 01 Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation Commodity Code Description 84 01 10 Nuclear reactors 84 01 20 Machinery and apparatus for isotopic separation, and parts thereof 84 01 30 Fuel elements (cartridges), non irradiated 84 01 40 Parts of nuclear reactors