The pucks will be fed to {HEAD ~ the centrifugal feeder} and aligned with the openings in {TAIL ~ the rim} 
The pucks will be fed to { HEAD ~ the centrifugal feeder } and aligned with the openings in { TAIL ~ the rim }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL