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