When filing soft metals the file teeth are clogged with minute...

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When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by

A. Washing it with water

B. Rubbing on wood

C. Washing it with dilute acid

D. Using file card

Answer: Option D

When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by Using file card

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