[QuadList] recortec

[Shai Drori]

Hi guys
Looking at the cleaner transport I don't understand the role of the blue 
chamber in the middle. It looks like a vacuum coulomb but if the tape is 
vacuumed at the two towers on both sides than why this chamber? Does it 
have to do with tape tension of a buffer of sorts? Why were these gizmos 
so expensive? Two motors, a vacuum, transport, and electronics? Is it a 
matter of production scale or a really smart machine?
shai

Puzzled
Shai