The method comprises storing {TAIL ~ data} in an electronic controller means with data pertaining to the dimensions of {HEAD ~ a rectangular frame} 
The method comprises storing { TAIL ~ data } in an electronic controller means with data pertaining to the dimensions of { HEAD ~ a rectangular frame }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD