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