{HEAD ~ A hinge mechanism} coupled between {TAIL ~ the trailer} and the fairing allows pivotal displacement of each fairing section between lowered and raised positions 
coupled between
{ HEAD ~ A hinge mechanism } coupled between { TAIL ~ the trailer } and the fairing allows pivotal displacement of each fairing section between lowered and raised positions
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH