Using Selection Manager Mode
You can use the Selection Manager Mode command to build a select set of elements associated with an element that you select first. In Selection Manager Mode, the cursor changes to 
in a part or sheet metal document and to 
in an assembly document. When this cursor is displayed, you can click a face to display the Selection Manager menu. When you position the cursor over a menu option, elements in the graphics window that match the option criteria highlight.
If you select a cylindrical face and then position the cursor over the Concentric option in the Selection Manager menu, any faces which are concentric to the selected face highlight so that you can preview the selection criteria.
To end Selection Manager Mode, press the Spacebar.
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