On Fri, 29 Nov 2002, Larry Alofs wrote:

> I suspect that the "expensive stuff" may promote rust just as much as
> ordinary salt.
>   Matthew?

I know there's some kind of "expensive stuff" they put on aircraft runways
because it corrodes aluminum less than salt.

For a while some Michigan counties were also putting some "expensive
stuff" on roads for a mile on each side of bridges, to try to prevent the
salt from corroding the steel reinforcing bars in the concrete.
             _ _
  __ _ _   _| | |  | David M. Brodbeck (N8SRE)              Ypsilanti, MI
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