Few people know how to make hydraulic control valve
17:22
How to make a hydraulic press
16:50
Making Hydraulic Power Unit
17:50
Genius innovations and tricks you've never seen before
29:13
A drill tool made of steel iron shaft drill developed by own skill | Thread tap making skills lathe
11:49
Making Double Acting Hydraulic Hand Pump
30:29
Geniale Bauarbeiter, die auf einem anderen Level sind
12:34
Very few people know how to make this simple metal bending tool || iron bending tool
29:57