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