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