{TAIL ~ The first tubular member} 21 has {HEAD ~ a free end} to which an end connector 22 is mounted 
{ TAIL ~ The first tubular member } 21 has { HEAD ~ a free end } to which an end connector 22 is mounted
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH