Slots 14 include {HEAD ~ flat reference surfaces} 18 machined in {TAIL ~ member} 12 in controlled parallel relationship 
machined in
Slots 14 include { HEAD ~ flat reference surfaces } 18 machined in { TAIL ~ member } 12 in controlled parallel relationship
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH