Reconstruindo uma bateria da maneira certa
1:18:51
The BEOCORD problem
24:33
Fun with Transistors
14:50
Don't throw away old Batteries! Genius invention with Welding Machine
14:41
FAULTY USB Double Socket thing | Can I FIX It?
20:34
Isolating Vs Isolation Transformer there is a MAJOR difference between them
32:47
Early 1950s Magnavox TV AM FM Radio Combo Unit Evaluation Impressive 6L6 Tube Wonder
1:00:24
Fixing 3 Military Generators I Bought At a Government Auction
20:46