These switches are used in {HEAD ~ conjunction} with {TAIL ~ appropriate circuitry} to make sure a minimum copy length is achieved even though the original document may not have a length that is equal to the minimum required 
with
These switches are used in { HEAD ~ conjunction } with { TAIL ~ appropriate circuitry } to make sure a minimum copy length is achieved even though the original document may not have a length that is equal to the minimum required
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH