Apparatus 1, further comprising means for measuring {HEAD ~ temperature} in the region of {TAIL ~ said mandrel}, and means for controlling said translating means in accordance with the measured temperature 
Apparatus 1 , further comprising means for measuring { HEAD ~ temperature } in the region of { TAIL ~ said mandrel } , and means for controlling said translating means in accordance with the measured temperature
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH