In {HEAD ~ this case}, each of the surfaces 26 of the rotor 20 is provided with pockets 28 integrally cast in {TAIL ~ the surfaces} 26 
In { HEAD ~ this case } , each of the surfaces 26 of the rotor 20 is provided with pockets 28 integrally cast in { TAIL ~ the surfaces } 26
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH