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Macro Etch Testing - Cut and Etch Tips for Steel and Aluminum
MIG > Carbon Steel • 6m 34s
A Macro Etch test also known as a cut and etch test is a very valuable teaching tool. Its a destructive test but it can verify settings and technique and since you see the results in a matter of minutes, the puddle is still fresh in your mind. Did it penetrate like you thought? One Cut and Etch test is worth a thousand opinions
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