Further passageways near the blade root portion do not intersect, the reduced cooling in that area causes {TAIL ~ expansion} and {HEAD ~ stress absorption} 
Further passageways near the blade root portion do not intersect , the reduced cooling in that area causes { TAIL ~ expansion } and { HEAD ~ stress absorption }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD