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