So aligned, the arm ends are positioned for {HEAD ~ direct connection} to selected contacts on {TAIL ~ a printed circuit board} 
So aligned , the arm ends are positioned for { HEAD ~ direct connection } to selected contacts on { TAIL ~ a printed circuit board }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL