virtual TGeoVolumeAssembly* CreateLadder(Int_t iLay);
virtual TGeoVolumeAssembly* CreateDetectorsAssembly(Int_t iLay);
+ virtual TGeoVolumeAssembly* CreateDetectorsAssemblyLadd2();
virtual TGeoVolume* CreateLadderSegment(Int_t iLay, Int_t iSeg);
virtual TGeoVolumeAssembly* CreateEndLadder(Int_t iLay);
virtual TGeoVolumeAssembly* CreateEndLadderCards(Int_t iLay);