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