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