Rotary Pump with a Transparent Window. Watch how it Pumps the Liquid
26:56
Priceless Engineering // A broken antique model Peter engine crankshaft repaired by engineering work
18:08
This Old Man is Expert in Making Spur Gear From Old Ships High Strength Sheet
26:06
Making a Vintage Ratchet Wrench for Threading
13:53
Making a Mini Hydraulic Pump
28:02
How a broken crankshaft of a truck is assembled in 2 pieces has never been seen before
10:39:46
Sultan Ahmet Camii Çizimi
21:27
Okulda öğretilmeyen beş tornalama tekniği
1:12:36