{HEAD ~ A plurality} of receptor fins interleave with {TAIL ~ the radiator fins} and provide heat exchange to the receptor fins to cool the mandrel during deposition of the substance on the deposition surface of the mandrel 
interleave with
{ HEAD ~ A plurality } of receptor fins interleave with { TAIL ~ the radiator fins } and provide heat exchange to the receptor fins to cool the mandrel during deposition of the substance on the deposition surface of the mandrel
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH