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