In practicing {TAIL ~ this method}, {HEAD ~ the at least one end frame} is positioned adjacent the cover, and the interconnecting means are respectively associated with each other 
In practicing { TAIL ~ this method } , { HEAD ~ the at least one end frame } is positioned adjacent the cover , and the interconnecting means are respectively associated with each other
REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH