The surfaces of the rotor that are exposed to {HEAD ~ the gases} of {TAIL ~ combustion} are provided with a plurality of pockets 
of
The surfaces of the rotor that are exposed to { HEAD ~ the gases } of { TAIL ~ combustion } are provided with a plurality of pockets
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH