even Harvard engineers learn this from me! Just a 1.5V battery will repair everything in your home

Inventor K
Inventor K
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Published 2024-08-06
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All Comments (9)
  • @LukaTricks68
    The idea of using battery cores for soldering is great, we can easily find a battery around the house and reuse them 👍💯💯
  • @betomensajero6154
    Me interesaría saber/ver la conexión desde la batería al soldador. Gracias 👍🇦🇷
  • @InventorB
    I really like your inventions, I learn a lot from it.
  • @user-kq4el1ir4e
    이 정도 노력과 시간이면 다른 일은 해서 새 컵을 사는 게 이득일 듯.