When the articles remaining on the rim are swept off of {HEAD ~ this rim}, the pucks can then be detached and conveyed away from {TAIL ~ the centrifugal feeder} 
When the articles remaining on the rim are swept off of { HEAD ~ this rim } , the pucks can then be detached and conveyed away from { TAIL ~ the centrifugal feeder }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL