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 59 Machine-tools (including way-type unit head machines) for drilling, boring, milling, 84 59 41 Numerically controlled Commodity Code Description 84 59 41 00 Numerically controlled