In {HEAD ~ an exemplary embodiment}, the sensor includes an electrically conductive tube having {TAIL ~ two ends} 
In { HEAD ~ an exemplary embodiment } , the sensor includes an electrically conductive tube having { TAIL ~ two ends }
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL