The smaller sensor tip and {HEAD ~ thermistor} have {TAIL ~ less mass} that must change temperature for the sensor to respond 
have
The smaller sensor tip and { HEAD ~ thermistor } have { TAIL ~ less mass } that must change temperature for the sensor to respond
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH