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