This question could be best dealt with by geologists or scientists versed in natural physics, but I would settle for someone just more knowledgeable than myself. There are a couple of paranormal video series that I have been following, that have created a question in my mind, particularly one...
Describes a problem where the size of the Enhanced Metafile (EMF) spool file may grow very big when you print a document that contains many groups of raster data. A resolution is provided.
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