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 60 Machine-tools for deburring, sharpening, grinding, honing, etc, metal Commodity Code Description 84 60 11 Flat-surface grinding machines, 0.01mm accuracy, numerically controlled 84 60 12 Numerically controlled 84 60 19 Other 84 60 21 Grinding machines, nes, accurate to 0.01mm, numerically controlled 84 60 22 Centreless grinding machines, numerically controlled 84 60 23 Other cylindrical grinding machines, numerically controlled 84 60 24 Other, numerically controlled 84 60 29 Grinding machines, nes, accurate to 0.01mm 84 60 31 Sharpening (tool or cutter grinding) machines, numerically controlled 84 60 39 Sharpening (tool or cutter grinding) machines, nes 84 60 40 Honing or lapping machines, for working metal 84 60 90 Machines for deburring, grinding, polishing, etc, metal, nes