The VRO then calculates {TAIL ~ optimized control commands} for {HEAD ~ various network devices} including the controllable taps of voltage regulating transformers 
The VRO then calculates { TAIL ~ optimized control commands } for { HEAD ~ various network devices } including the controllable taps of voltage regulating transformers
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH