The figures below shows an abrasive material

The figures below shows an abrasive material

  1. Name part A and C

    A  –  Abrasive grain
     B  –  Backing

  2. State the method used in manufacturing the abrasive shown above.

    Electro – coating method

  3. Name two natural materials to be used for part – A  above

    Natural abrasive grain
    Flint
    Garnet
    Emery 

 
                                                                                                          

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