{HEAD ~ The air movement profiler} can be either permanently mounted to {TAIL ~ a vehicle} or it may be portable 
permanently mounted to
{ HEAD ~ The air movement profiler } can be either permanently mounted to { TAIL ~ a vehicle } or it may be portable
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH