diff --git a/EGkGeomDB.h b/EGkGeomDB.h
index 6903908..92875be 100644
--- a/EGkGeomDB.h
+++ b/EGkGeomDB.h
@@ -83,7 +83,9 @@ class __declspec( novtable) IGeomDB
       virtual int  GetNewId( void) const = 0 ;
       virtual bool ChangeId( int nId, int nNewId) = 0 ;
       virtual bool Erase( int nId) = 0 ;
+      virtual IGeoObj* RemoveGeoObjAndErase( int nId) = 0 ;
       virtual bool EmptyGroup( int nId) = 0 ;
+     // Transformations
       virtual bool Translate( int nId, const Vector3d& vtMove) = 0 ;
       virtual bool TranslateGlob( int nId, const Vector3d& vtMove) = 0 ;
       virtual bool TranslateGroup( int nId, const Vector3d& vtMove) = 0 ;
diff --git a/EGkSfrCreate.h b/EGkSfrCreate.h
index bff3ef4..bc32bd1 100644
--- a/EGkSfrCreate.h
+++ b/EGkSfrCreate.h
@@ -35,9 +35,10 @@ class SurfFlatRegionByContours
       EGK_EXPORT SurfFlatRegionByContours( bool bAllowedMore = true, bool bAllowedMultiChunk = true)
                     : m_bAllowedMore( bAllowedMore), m_bAllowedMultiChunk( bAllowedMultiChunk), m_bFirst( true) {}
       EGK_EXPORT ~SurfFlatRegionByContours( void) ;
-      EGK_EXPORT bool AddCurve( ICurve* pCrv) ;
+      EGK_EXPORT bool AddCurve( ICurve* pCrv) ;        //  TempProp possono essere usati per identificarle
       EGK_EXPORT ISurfFlatRegion* GetSurf( void) ;
       EGK_EXPORT bool AllCurvesUsed( void) ;
+      EGK_EXPORT bool GetUnusedCurveTempProps( INTVECTOR& vId) ;
 
    private :
       bool Prepare( void) ;