{HEAD ~ The guide member} is held on the underside by {TAIL ~ a securing bar} supported by gusset supported from the housing 
is held by
{ HEAD ~ The guide member } is held on the underside by { TAIL ~ a securing bar } supported by gusset supported from the housing
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH