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