Rod 68 is connected to {HEAD ~ a threaded stud} 74 by means of {TAIL ~ a ball and socket joint} 76 
Rod 68 is connected to { HEAD ~ a threaded stud } 74 by means of { TAIL ~ a ball and socket joint } 76
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH