For example, {HEAD ~ the mandrel} of {TAIL ~ the tool} itself can be expanded within ring 14 
of
For example , { HEAD ~ the mandrel } of { TAIL ~ the tool } itself can be expanded within ring 14
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH