In a disclosed embodiment, the temperature in {HEAD ~ the region} of {TAIL ~ the mandrel} is measured, and the moving of the receptor fins is in accordance with the measured temperature 
of
In a disclosed embodiment , the temperature in { HEAD ~ the region } of { TAIL ~ the mandrel } is measured , and the moving of the receptor fins is in accordance with the measured temperature
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH