{HEAD ~ the contact assembly} including a contact arm, {TAIL ~ first and second spacers}, and a pivot post 
including
{ HEAD ~ the contact assembly } including a contact arm , { TAIL ~ first and second spacers } , and a pivot post
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH