diff --git a/EMkMachMgr.h b/EMkMachMgr.h
index 0ac616f..4ba62ce 100644
--- a/EMkMachMgr.h
+++ b/EMkMachMgr.h
@@ -152,6 +152,9 @@ class __declspec( novtable) IMachMgr
       virtual bool TdbSave( void) const = 0 ;
       virtual bool TdbGetToolDir( std::string& sToolDir) const = 0 ;
       virtual bool TdbGetToolHolderDir( std::string& sTHolderDir) const = 0 ;
+      virtual bool TdbExport( const STRVECTOR& vsToolsNames, const std::string& sOutFile) const = 0 ;
+      virtual bool TdbToBeImported( const std::string& sFile, STRVECTOR& vsToolNames) const = 0 ;
+      virtual bool TdbImport( const std::string& sFile, const STRVECTOR& vsToolsToImport, const STRVECTOR& vsToolsNames, STRVECTOR& vsImported) = 0 ;
      // Setup
       virtual int  GetCurrSetup( void) const = 0 ;
       virtual bool GetDefaultSetupName( std::string& sName) const = 0 ;