For example, in one embodiment, the conductive material in each resistor is held constant while {HEAD ~ the nonconductive organic polymer} varies between {TAIL ~ resistors}  
varies between
For example , in one embodiment , the conductive material in each resistor is held constant while { HEAD ~ the nonconductive organic polymer } varies between { TAIL ~ resistors }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH