A method and apparatus for controlling {HEAD ~ production run sequences} of insulating glass units based on {TAIL ~ manufacturing variables} 
based on
A method and apparatus for controlling { HEAD ~ production run sequences } of insulating glass units based on { TAIL ~ manufacturing variables }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL