{HEAD ~ A gas turbine engine} 1 wherein {TAIL ~ said lands} are adapted for rotation by forming them integrally with upstream face of disc 
wherein
{ HEAD ~ A gas turbine engine } 1 wherein { TAIL ~ said lands } are adapted for rotation by forming them integrally with upstream face of disc
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH