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 | Visibility Change Task | 
This command allows to define a task to hide or show rigid groups.
Creation stages / Use:
Click the  icon or select Simulation > Visibility Change Task... from the drop-down menu.
 icon or select Simulation > Visibility Change Task... from the drop-down menu.
Enter a name for this task.
Select the action to perform (Hide or Show).
Enter the rigid groups.
Validate with the  button.
 button.
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