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 12 Other engines and motors 84 12 90 For steam or other vapour power units incorporating boilers 84 12 90 20 For steam or other vapour power units incorporating boilers Commodity Code Description 84 12 90 20 00 For steam or other vapour power units incorporating boilers