{TAIL ~ The retainer} is able to secure {HEAD ~ the terminal member} to prevent removal when the retainer is in the fully secured position 
{ TAIL ~ The retainer } is able to secure { HEAD ~ the terminal member } to prevent removal when the retainer is in the fully secured position
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH