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 - - Specially designed for underground use Commodity Code Description 84 28 31 00 - - Specially designed for underground use