When sawing, release the forward pressure on the upward return stroke. It only repositions the blade for the next downward cutting stroke. Dragging the teeth on the up stroke can cause the blade to misshape, and the teeth to wear unevenly.
~Brad
http://www.MetalPlatingGuide.com
This book is about plating metal in general and not just jewelry specific. However at 123 pages
in length, it contains all the information you ever wanted to know about plating metal.
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