The air movement profiler can be a fixed design or it can be a design which is capable of adjusting the shape and {HEAD ~ size} of {TAIL ~ the deflecting surface} 
of
The air movement profiler can be a fixed design or it can be a design which is capable of adjusting the shape and { HEAD ~ size } of { TAIL ~ the deflecting surface }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL