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