[Cory]

Originally Posted by DCA Fan

I worked the autoloader on Einstein. We were told to have 9 tetras for each loader and we had a backup pile of 4 if we needed them. We never actually ran out, so I didn't see that it was much of a problem, but there have always been a limited number of tetras on the field.

You should not have a "backup pile"

There is a finite number of tetras on the field. Adding 4 more goes over that number.