Such adjustable positioning occurs automatically if the rearward section is coupled to and longitudinally movable with the support frame for the trailers wheel assembly, thus maintaining {HEAD ~ the rearward edge} of {TAIL ~ the fairing} in the selected position whenever the trailers wheel assembly is longitudinally adjusted relative to the trailer 
of
Such adjustable positioning occurs automatically if the rearward section is coupled to and longitudinally movable with the support frame for the trailers wheel assembly , thus maintaining { HEAD ~ the rearward edge } of { TAIL ~ the fairing } in the selected position whenever the trailers wheel assembly is longitudinally adjusted relative to the trailer
OTH OTH OTH OTH 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 HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH