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