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 30 Earth moving... machinery, nes; pile-drvers/extractors; snow-ploughs 84 30 49 Other self-propelled boring or sinking machiner 84 30 49 00 Other self-propelled boring or sinking machiner Commodity Code Description 84 30 49 00 000 Other self-propelled boring or sinking machiner