The fusion fee from the core is in a self-correcting equilibrium: a slightly increased price of fusion would induce the Main to warmth up more and increase somewhat in opposition to the load in the outer layers, lowering the density and hence the fusion level and correcting the perturbation; and http://digitaledemonen.nl/de-ultieme-gids-voor-het-kiezen-van-de-juiste-opstalverzekering-voor-uw-eigendom/