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