To Select Components by Removing Internal or External Components
Click the arrow next to the command to see more commands.
1. Select a component in the preview window and use the Graphics toolbar buttons.
2. To remove all external components from the selection, click 
.
.3. To remove all internal components from the selection, click 
.
.4. To change the selection between internal and external components, click 
.
.5. To complete selection, click 
.
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