| Tariff Classification | 
| 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 |  | chapter 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: |  | 8464.20 | -Grinding or polishing machines: |  |  | --For working mineral materials |  |