Das transalation ist horrible....
"In the subsoil untersoil conservation penetrates in old cracked (bitumens)
Water one and the originating rust can do the tough protective painting generously
infiltrate. Hence, however, most damages touch, that cars as a rule from
Inside after Outside rust through, or from there, where to themselves for longer time water and
Dirt can collect. Once lies in used (or just not
used) to relatively bad materials which can protect not enough,
on the other hand, however, also in the Kondensierung of the air humidity in hollow cavities. "
But Thank you for putting it up...

Ill see if i can translate another level and use the info.... seems to be a very comprehensive and informative site...
thanks...