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