repetitively computing the present rate of {HEAD ~ change} of {TAIL ~ the weight} of the utensil contents and generating a signal representative of the present rate 
repetitively computing the present rate of { HEAD ~ change } of { TAIL ~ the weight } of the utensil contents and generating a signal representative of the present rate
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH