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 64 Machine-tools for working stone, ceramics, concrete, asbestos-cement or like mineral materials or for cold working glass. Commodity Code Description 84 64 10 Sawing machine 84 64 20 Grinding or polishing machines 84 64 90 Other