And the system is contained. What do I mean by that? It's modular. Let's say something happens that's totally unexpected to one of the modules. It leaks. It's struck by lightning.
El sistema está confinado. ¿Qué quiero decir? Es modular. Es decir, si acaso le pasa algo totalmente inesperado a uno de los módulos; aparecen fugas, lo alcanza un rayo.