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