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Forum: Welding Sheet Metal 08-22-2019, 01:02 AM
Replies: 10
Views: 5,142
Posted By lots2learn
This is very easy to do with a small transformer,...

This is very easy to do with a small transformer, (low voltage). A screwdriver wrapped in fiberglass cloth with the acid is what I'm familiar with.
The use I have seen is to provide FDA compliant...
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