{TAIL ~ An air movement profiler} which is capable of adjusting the shape and size of {HEAD ~ the deflecting surface} is disclosed 
{ TAIL ~ An air movement profiler } which is capable of adjusting the shape and size of { HEAD ~ the deflecting surface } is disclosed
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH