In this embodiment, {HEAD ~ a sequence} of runs of insulating glass components to be produced for assembly into {TAIL ~ insulating glass units} at an assembly station is created 
In this embodiment , { HEAD ~ a sequence } of runs of insulating glass components to be produced for assembly into { TAIL ~ insulating glass units } at an assembly station is created
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH