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