The body includes {HEAD ~ a tapered side wall} having an inner face or surface and {TAIL ~ an outer face} or surface 
having
The body includes { HEAD ~ a tapered side wall } having an inner face or surface and { TAIL ~ an outer face } or surface
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH