A weighing scale 9, wherein said {HEAD ~ side wall} is {TAIL ~ frusto conical}, narrowing inwardly 
is
A weighing scale 9 , wherein said { HEAD ~ side wall } is { TAIL ~ frusto conical } , narrowing inwardly
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH