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Anonymous (ID: g+1iIbD+)
Mining at home No.62669500
File: maxresdefault.jpg (198 KB, 1280x720)
198 KB JPG
Mining at home (ID: g+1iIbD+)  No.62669500
Should we be making homemade ion exchange membranes for electro refining high purity metals at home?

https://www.youtube.com/watch?v=luulTI1RKHE
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