More preferably, a differential bridge network is used to obtain a measurable signal from {HEAD ~ the plurality} of {TAIL ~ sensors} 
of
More preferably , a differential bridge network is used to obtain a measurable signal from { HEAD ~ the plurality } of { TAIL ~ sensors }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL