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Diaphone Jim · 12-31-2019, 11:46 AM

In the grinding down process of making sand, one would think that the little spikes of the foram (top right) would wear off.

12-31-2019, 11:46 AM	#4
Diaphone Jim Junior Master Dwellar Join Date: Sep 2007 Location: Northern California Posts: 2,122	In the grinding down process of making sand, one would think that the little spikes of the foram (top right) would wear off.