The differing tensile strengths which will be needed for various bones and {HEAD ~ the tensile strengths} of {TAIL ~ various thicknesses} are well known to one of ordinary skill in the art 
of
The differing tensile strengths which will be needed for various bones and { HEAD ~ the tensile strengths } of { TAIL ~ various thicknesses } are well known to one of ordinary skill in the art
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH