The sequence of runs is altered at the production control workstation based on one of the status of the runs, the status of {HEAD ~ the one or more glass processing machines}, and {TAIL ~ the queue} of insulating glass units at the glazing line 
The sequence of runs is altered at the production control workstation based on one of the status of the runs , the status of { HEAD ~ the one or more glass processing machines } , and { TAIL ~ the queue } of insulating glass units at the glazing line
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH