In a message dated 3/15/99 5:26:37 AM Pacific Standard Time,
tebomr(at)cadvision.com writes: << Porosity is also often a problem with
aluminum welding, especially if it was done with mig rather than tig
welding. >> What is "mig" and "tig" ?
Rob Carpenter
And what is heliarc welding? I was told this is the way to go with
aluminum.
Rob Nanzig
67SV
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