diff --git a/doc/salome/gui/GEOM/input/extruded_boss_operation.doc b/doc/salome/gui/GEOM/input/extruded_boss_operation.doc
new file mode 100644
index 000000000..79d50f0cd
--- /dev/null
+++ b/doc/salome/gui/GEOM/input/extruded_boss_operation.doc
@@ -0,0 +1,8 @@
+/*!
+
+\page extruded_boss_operation_page Extruded boss
+
+The "Extruded boss" operation allows you to add material to an object by extruding a profile or a face 
+along the normal to its plane.
+
+*/
diff --git a/doc/salome/gui/GEOM/input/extruded_cut_operation.doc b/doc/salome/gui/GEOM/input/extruded_cut_operation.doc
new file mode 100644
index 000000000..27ae76dad
--- /dev/null
+++ b/doc/salome/gui/GEOM/input/extruded_cut_operation.doc
@@ -0,0 +1,8 @@
+/*!
+
+\page extruded_cut_operation_page Extruded cut
+
+The "Extruded cut" operation allows you to remove material from an object by extruding a profile or a face 
+along the normal to its plane.
+
+*/
diff --git a/doc/salome/gui/GEOM/input/transformation_operations.doc b/doc/salome/gui/GEOM/input/transformation_operations.doc
index ab90c5140..fedea7cfc 100644
--- a/doc/salome/gui/GEOM/input/transformation_operations.doc
+++ b/doc/salome/gui/GEOM/input/transformation_operations.doc
@@ -24,6 +24,8 @@ which allow to:
             corners of a Wire with Planar Edges.</li>
 <li>Produce a \subpage fillet2d_operation_page "2D Fillet" on the corners of a Planar Face.</li>
 <li>Produce a \subpage chamfer_operation_page "Chamfer" on the selected edges of an object.</li>
+<li>Remove matter from an object by producing an \subpage extruded_cut_operation_page "Extruded Cut".</li>
+<li>Add matter to an object by producing an \subpage extruded_boss_operation_page "Extruded Boss".</li>
 </ul>
 
 */
diff --git a/src/OperationGUI/OperationGUI_ExtrudedFeatureDlg.cxx b/src/OperationGUI/OperationGUI_ExtrudedFeatureDlg.cxx
index e4267561f..80f6a8e53 100644
--- a/src/OperationGUI/OperationGUI_ExtrudedFeatureDlg.cxx
+++ b/src/OperationGUI/OperationGUI_ExtrudedFeatureDlg.cxx
@@ -75,10 +75,12 @@ OperationGUI_ExtrudedFeatureDlg::OperationGUI_ExtrudedFeatureDlg(const int theOp
     case OperationGUI::BOSS:
       image0 = QPixmap(aResMgr->loadPixmap("GEOM", tr("ICO_EXTRUDED_BOSS")));
       aTitle = tr("GEOM_EXTRUDED_BOSS");
+      setHelpFileName("extruded_boss_operation_page.html");
       break;
     case OperationGUI::CUT:
       image0 = QPixmap( aResMgr->loadPixmap("GEOM", tr("ICO_EXTRUDED_CUT")));
       aTitle = tr("GEOM_EXTRUDED_CUT");
+      setHelpFileName("extruded_cut_operation_page.html");
       break;
   }
     
@@ -209,8 +211,8 @@ void OperationGUI_ExtrudedFeatureDlg::SetEditCurrentArgument()
 
     myGroup->PushButton2->setDown(false);
     myGroup->LineEdit2->setEnabled(false);
-    
-    globalSelection();   // close local selection
+   
+//     globalSelection();   // close local selection
   }
   else if (send == myGroup->PushButton2) {
     myEditCurrentArgument = myGroup->LineEdit2;
@@ -218,9 +220,15 @@ void OperationGUI_ExtrudedFeatureDlg::SetEditCurrentArgument()
     myGroup->PushButton1->setDown(false);
     myGroup->LineEdit1->setEnabled(false);
     
-    globalSelection(); // close local selection to clear it
-//     localSelection( GEOM::GEOM_Object::_nil(), TopAbs_EDGE );
-    localSelection( GEOM::GEOM_Object::_nil(), TopAbs_FACE );
+//     globalSelection(); // close local selection to clear it
+    
+// //     localSelection( GEOM::GEOM_Object::_nil(), TopAbs_EDGE );
+//     if (myObject1)
+//     {
+//       localSelection( myObject1.get(), TopAbs_FACE );
+// //       localSelection( myObject1.get(), TopAbs_EDGE );
+//     }
+//    /* localSelection( GEOM::GEOM_Object::_nil(), TopAbs_EDGE ); */ 
   }
   
   // enable line edit
@@ -360,7 +368,7 @@ bool OperationGUI_ExtrudedFeatureDlg::execute (ObjectList& objects)
   bool isProtrusion = (myOperation == OperationGUI::BOSS);  
   
   // Hide the initial shape in order to see the modifications on the preview
-  getDisplayer()->Erase(myObject1.get(),false,false);   
+  erase(myObject1.get(),false);   
   
   GEOM::GEOM_Object_var anObj = anOper->MakeDraftPrism(myObject1.get(), myObject2.get(), 
                                                        myGroup->SpinBox_DX->value(),
@@ -372,14 +380,14 @@ bool OperationGUI_ExtrudedFeatureDlg::execute (ObjectList& objects)
   return true;
 }
 
-//=================================================================================
-// function : addSubshapeToStudy
-// purpose  : virtual method to add new SubObjects if local selection
-//=================================================================================
-void OperationGUI_ExtrudedFeatureDlg::addSubshapesToStudy()
-{
-  GEOMBase::PublishSubObject( myObject2.get() );
-}
+// //=================================================================================
+// // function : addSubshapeToStudy
+// // purpose  : virtual method to add new SubObjects if local selection
+// //=================================================================================
+// void OperationGUI_ExtrudedFeatureDlg::addSubshapesToStudy()
+// {
+//   GEOMBase::PublishSubObject( myObject2.get() );
+// }
 
 
 
diff --git a/src/OperationGUI/OperationGUI_ExtrudedFeatureDlg.h b/src/OperationGUI/OperationGUI_ExtrudedFeatureDlg.h
index 1cfd028bb..6a3123105 100644
--- a/src/OperationGUI/OperationGUI_ExtrudedFeatureDlg.h
+++ b/src/OperationGUI/OperationGUI_ExtrudedFeatureDlg.h
@@ -61,7 +61,7 @@ protected:
   virtual GEOM::GEOM_IOperations_ptr createOperation();
   virtual bool                       isValid( QString& );
   virtual bool                       execute( ObjectList& );
-  virtual void                       addSubshapesToStudy();
+//   virtual void                       addSubshapesToStudy();
   
 private:
   void                        Init();