{HEAD ~ The hinge} allows {TAIL ~ pivotal displacement} of each fairing section between lowered and raised positions 
allows
{ HEAD ~ The hinge } allows { TAIL ~ pivotal displacement } of each fairing section between lowered and raised positions
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH