WARNING: weld-thru coatings

[jey@frame.com (Jeff Young)]

There's been some discussion about zinc weld-thru coatings this
last week.  While I've never tried them, I do seem to remember
some pretty grave warnings in welding books regarding toxic fumes
from welding galvanized metals (I believe from the zinc).

If anyone knows more, a follow-on posting would probably be of
use to more than one of us.

-- Jeff.