Each panel has {HEAD ~ markings} on its side to indicate the wind speed required to effectuate {TAIL ~ its unfurling} 
Each panel has { HEAD ~ markings } on its side to indicate the wind speed required to effectuate { TAIL ~ its unfurling }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL