{TAIL ~ The ends} of the pin are supported by {HEAD ~ the casings} through the snap rings 
{ TAIL ~ The ends } of the pin are supported by { HEAD ~ the casings } through the snap rings
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH