Invisible <voi### [at] devnull> wrote:
> >> The oxide layer also doesn't flake off like, say, iron oxide. So no
> >> fresh metal is exposed.
> > 
> > Unless you expose it to mercury, then it flakes off as fast as it forms.

> Let us hope the rain doesn't contain any mercury...

  I think that if it does, we have bigger problems than electric wires
losing their covering layers...

-- 
                                                          - Warp

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