List four precautions to be observed when using a hand saw

List four precautions to be observed when using a hand saw   

Precautions to be observed when using hand saws

  1. Saw should not be used on timber with nails
  2. Painted wood dulls the saw teeth
  3. Do not use saw with broken handle
  4. Make sure that the saw blade does not buckle or bend.                 

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