a second element processed to generate {TAIL ~ a functional computer executable representation} of {HEAD ~ a reference precision resistor} 
a second element processed to generate { TAIL ~ a functional computer executable representation } of { HEAD ~ a reference precision resistor }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD