@startuml ActoresRelaciones
 package "Relaciones de actores"{
    'Creating Actors
    
    actor Operador as Us
    actor Modeler as Mo
    actor Administrador as Ad
    actor CajaExperimental as Ca

    'Adding extensions
    Ca <|-- Us
    Us <|-- Ad
    Mo <|-- Ad

    'Crating use cases 


 }
@enduml