12:25

DIY Electromagnet | Vise For Excelsior Drill Press

24:58

Magnetizers eschematic diagrams , side cores , coil and ....

9:53

Magnet recharge How to

8:40

How to charge a magnet?

19:10

How to (Re)Magnetize a Permanent Magnet

17:30

How to Make the Best Conductive Paint/Ink (Amazingly conductive)

9:00

ALTO FALANTES SEM SEGREDOS - PARTE I ( FABRICAÇÃO / PEÇAS)

12:12

Cara Memilih Speaker dari Circuit Driver motor magnetic || Type Ceramic Ferrite Magnet Speaker