[GrahamMc]

Hmm, let me try that attachment again. Oh, it is too big. If you are interested I can shrink it at home later. Let me know.

There we go. Man those files really need shrinking! Hard to read but there is an address at the bottom of the page that is where I got it.

I think all it would take is a little moisture to act as the electrolyte, though, the heat generated should keep it pretty dry.