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