+The the following commands appear in the Object Browser context menu
+under certain conditions:
+
+\image html ob_popup_menu.png <br>
+
+<ul>
+<li>\ref work_with_groups_page "Create Group" - allows creating groups of geometrical objects.</li>
+<li><b>Hide Children</b> / <b>Show Children</b> - hides / shows child
+sub-objects in the Object Browser, if the selected geometric object has
+child objects. When some child objects are hidden, the name of the
+parent object is hilghlighted with bold font.</li>
+
+<li><b>Unpublish</b> - unpublish the selected geometric object from the Object Browser
+and erase it from all viewers. To publish unpublished geometric objects select in the
+context menu of the <b>Geometry</b> root object <b>Publish...</b> item.
+The following dialog box will appear</li>
+</ul>
+
+\image html publish_dlg.png <br>
+
+Switch the checkbox near the appropriate object and click <b>Publish</b> or <b>Publish And Close</b> button.