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