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Hello everyone! You are watching video: How to make a simple welding machine from spark plugs at home! Great intelligence 0:00 Some main content of the video 0:00:18 How to Make a Simple 1.5V Battery Welding Machine at Home 0:06:19 How to Make a Simple 1.5V Battery Welding Machine at Home! Great intelligence 0:12:12 Genius invention from craftsman! How to make a 9V battery welding machine 0:16:39 How to make a simple 1.5V battery welding machine at home by Harvard professor 0:21:19 Excellent welding technique using spark plugs and 12V battery ► Register: https://www.youtube.com/@Tips365day On the Tips 365 channel, you can learn about many inventions, science projects, craft diagrams, and instructions on how to reuse or recycle. © Copyright belongs to Tips 365 ☞ Do not Reup #Howtomakeaweldingmachine #diy #tipsandtricks #recyclediy #diyprojects #knifesharpening