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Step 2Prep the pennies
Sand one face off each penny to expose the zinc core. Using 220 grit and holding in my fingers, it took about 45 secs of sanding to do each penny.
Alternately I tried both belt sander and disk sander, excellent ways to burn your fingers, but not appreciably faster.
Alternately I tried both belt sander and disk sander, excellent ways to burn your fingers, but not appreciably faster.
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