> disk's physical surface or its heads from damage when people (or Acts of
> God) do this kind of thing. If the heads were left on the disk surface at

Acts of God?? Did you watch "The Man Who Sued God"?

With regards,

Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
Server.
Upscene Productions
http://www.upscene.com