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 61 Machine-tools for planing, shaping, slotting, broaching ... metal, nes 84 61 40 Gear cutting/grinding/finishing machines for working metal or cermets Commodity Code Description 84 61 40 00 Gear cutting, gear grinding or gear finishing machines 84 61 40 10 Electrically operated 84 61 40 20 Not electrically operated