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 28 Other lifting, handling, loading or unloading machinery (for example, lifts, escalators, conveyors, teleferics). 84 28 31 specifically designed for underground use Commodity Code Description 84 28 31 00 specifically designed for underground use