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