Which Grinding Disc is Actually the Best?
42:26
Let’s Turn $6000 Tables Into Giant Science Experiments
29:52
Why Do Good Welders Still Get This Wrong?
6:59
Invenções simples de um faz-tudo inteligente que o vão surpreender
30:09
I made a precision gearbox - with NO GEARS.
21:20
Why Did They Stop Making These? [Restoration]
13:51
The BEST Mechanical Display You've EVER Seen!!!
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Finally! Best Pliers I've Ever Tested! Not Even Close!
35:00