How to make a USB soldering iron| use resistor,| USB soldering iron making at home# 100% Working
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How to make a simple welding machine from SPARK PLUG at home! Inventor innovation
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Unlocking The Secrets Of Soldering! Put Salt On Soldering Iron and Amazing Results
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DIY...12 volt DC soldering from an old battery
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How to make a simple pencil WELDING MACHINE at home!WELDING MACHINE SECRET
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How To Make A Rechargeable Soldering Iron At Home.
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حول مقاومة إلى كاوي لحام ـ Convert resistance to caustic soldering
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How To Make Rechargeable Soldering Iron Using a 1.5 ohm Resistor
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