Diamond plates for pennies - Puncing Tungsten Carbide - Superhard materials
15:55
How to make a batch of gears in different ways - homemade gear
15:54
Unusual 4-stroke engine - WITHOUT VALVES the sleeve rotates What kind of beast is this ???
15:12
Полигональное Точение, проще некуда
21:58
Сверло для глубокого сверления из подручных средств
10:41
Never do this with a gas torch and a collet cylinder for wilderness survival
20:34
Restoration of the turning chuck - now you can sell more expensive.
26:35
Мечта самодельщика! Такой станок нужен в каждом гараже Weisan WM210F400
17:36