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God Not Found
Science => Technology => Topic started by: Unbeliever on March 25, 2019, 01:59:03 pm
Title:
Drilling Square Holes
Post by:
Unbeliever
on
March 25, 2019, 01:59:03 pm
Quote
Using a special drill and holder to drill square holes in material on a drill press.
https://www.youtube.com/watch?v=rjckF0-VeGI
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