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