For each such actually measured feature value, the sorting installation inscribes a separating element with {HEAD ~ an identification mark} for {TAIL ~ this value} 
for
For each such actually measured feature value , the sorting installation inscribes a separating element with { HEAD ~ an identification mark } for { TAIL ~ this value }
OTH 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 TAIL