A file is not removing material efficiently. What is the likely cause?
Teeth are clogged with debris
When metal chips lodge between the file teeth — a condition called pinning — the teeth can no longer bite into the work, so cutting becomes inefficient and the file may score the surface.
The fix is to clean the teeth with a file card/brush and use chalk to prevent pinning. Paint, weight and handle length do not stop the teeth from cutting.
Hence, the likely cause is that the teeth are clogged with debris.
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Which one of the following is a multi-point cutting tool?
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The file used for filling leather is
