A status of the runs, a status of one or more insulating glass component processing machines, and a queue of insulating glass units to be assembled to window or door sash and {HEAD ~ frames} at {TAIL ~ the glazing lines} is monitored at a production control workstation 
at
A status of the runs , a status of one or more insulating glass component processing machines , and a queue of insulating glass units to be assembled to window or door sash and { HEAD ~ frames } at { TAIL ~ the glazing lines } is monitored at a production control workstation
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH