{HEAD ~ The cooling air flow} can be precisely controlled by optimizing {TAIL ~ the size}, shape and number of transfer tubes 196, apertures 202 and apertures 204 
precisely controlled by optimizing
{ HEAD ~ The cooling air flow } can be precisely controlled by optimizing { TAIL ~ the size } , shape and number of transfer tubes 196 , apertures 202 and apertures 204
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH