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