As far as Applicants are aware there is {TAIL ~ no art} to detect a moving temperature front along {HEAD ~ the reactor} so steps may be taken to avoid them 
As far as Applicants are aware there is { TAIL ~ no art } to detect a moving temperature front along { HEAD ~ the reactor } so steps may be taken to avoid them
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH