28:18
Young Afghan Machinist Turns Scrap Metal Into a Perfect Precision Gear!
26:56
¡Ahorré un montón de dinero! Una herramienta casera indispensable para los torneros.
27:56
Making a Knife and the Tool for it from the same Old File
49:40
How to Make Bench Drill Machine || Industrial Type Bench Drill Machine
27:03