The bone model produced by the present invention can be used as {TAIL ~ an optimum substitute} for {HEAD ~ the real bone} for this purpose 
The bone model produced by the present invention can be used as { TAIL ~ an optimum substitute } for { HEAD ~ the real bone } for this purpose
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH