{HEAD ~ A pin} 56 projects upwardly from {TAIL ~ platform} 14 to extend through an opening in the bottom panel of housing 16 
projects upwardly from
{ HEAD ~ A pin } 56 projects upwardly from { TAIL ~ platform } 14 to extend through an opening in the bottom panel of housing 16
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH