providing a signal representative of {HEAD ~ a reference rate} of {TAIL ~ change} of the utensil content weight 
of
providing a signal representative of { HEAD ~ a reference rate } of { TAIL ~ change } of the utensil content weight
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH