Each electrode 66 carries a temperature sensor 80 and are coupled to {TAIL ~ the I/O device} 54 of {HEAD ~ the controller} 52 
Each electrode 66 carries a temperature sensor 80 and are coupled to { TAIL ~ the I / O device } 54 of { HEAD ~ the controller } 52
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH