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This secret pipe cutting trick every welder should know ! connecting round pipes of different sizes
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Few people know this amazing technique of electric welding
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5 Minute Welding Tips - New Idea for Pipe "T" Joint - Round Pipe Notching Technique
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How To Make Round Metal Tube End Cap - Tips & Tricks for Tube Cutting, Joining, and Notching
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Homemade Mechanical Compass | How to Make Easy Circle Cutting Tool | Circle Cutting Tool for Metal
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How to weld large holes with an Arc welder - Welders will be amazed at this idea