{TAIL ~ The universal joint} facilitates slight misalignment between {HEAD ~ the rotary shaft} and the drive shaft 
{ TAIL ~ The universal joint } facilitates slight misalignment between { HEAD ~ the rotary shaft } and the drive shaft
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH