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>> No.56404203 [View]
File: 34 KB, 948x1425, 9781568989976_custom-5ea5608a34cea3f5a20d3aa456228abf40facdcf-s6-c30.jpg [View same] [iqdb] [saucenao] [google] [report]
56404203

Why don't you try to make copper wire using medieval tools today? Good luck.

Here's what a toaster looks like that someone tried to make from scratch. He mined the copper himself. It took him a year or so, and it worked for a few seconds.



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