Each zone may be the width of one board across the bowling alley so that {HEAD ~ different discrete amounts} of {TAIL ~ oil} can be applied to each board 
of
Each zone may be the width of one board across the bowling alley so that { HEAD ~ different discrete amounts } of { TAIL ~ oil } can be applied to each board
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH