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 84 60 90 Machines for deburring, grinding, polishing, etc, metal, nes Commodity Code Description 84 60 90 00 Machines for deburring, grinding, polishing, etc, metal, nes 84 60 90 10 Electrically operated 84 60 90 20 Not electrically operated