{TAIL ~ The three dimensional model} may be displayed in digital form on a visual display device of {HEAD ~ a personal computer} 
{ TAIL ~ The three dimensional model } may be displayed in digital form on a visual display device of { HEAD ~ a personal computer }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD