"Vox Humana" > wrote in message
> > > Why does covering the can make it safer?
> >
> > Water under normal pressure conditions will not exceed 212 degrees (the
> > boiling point). The water prevents the contents from getting too hot and
> > exploding the can.
> >
> > Dimitri
>
> I understand that part. I just question why Brian claims that the can has
> to be completely submerged.

Much cross posting snipped
Only thing I can think of is even cooking of the contents. If the can is
out of the water, it will be exposed to steam at 212, but no higher. I
don't see how else the contents would be affected. Am I missing something?
Ed

http://pages.cthome.net/edhome