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14,443,923 results
The process of how copper goes from ore to the shiny wires we all know it as! Join the Exclusive Drillage Time Members Club: ...
11,678,308 views
1 year ago
Nitric acid is one of the few acids that can react with copper. But oddly enough, it doesn't work well when the acid is pure. This is ...
5,402,404 views
4 years ago
