An example provides potential solutions for SAS fabrics. Two p+ diffusion regions are placed in two areas in the surface of the N well sandwiching the gate electrode, and the p+ diffusion regions are connected to a ground potential wiring. In merit of the new connection established by the access node to the preferred mobility agent, the agent advertisement messages sent by the new mobility agent can be received by the mobile node, and thereby the mobile node is able to detect the change of the attachment point and to initiate standard mobile IP registration. for 30 minutes andor a polar solvent having a boiling point of 300 C. Verification is performed on the abstracted design to generate verification results. Carbon dioxide is isolated from flue gas emitted by a combustion system.