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