Hydrogel compositions are provided that have a continuous hydrophobic phase and a discontinuous hydrophilic phase, that have a discontinuous hydrophilic phase and a continuous hydrophilic phase, or that are entirely composed of a continuous hydrophilic phase. The steam injection manifold has a steam discharge orifice arrangement which can be adjusted to vary the discharge width. The sensor also includes an ionomer membrane in contact with the first surface and the electrode. Within the context of a telecommunications switch for controlling traffic associated with a plurality of telephone lines, when the switch receives a telephone message, such as a setup message or backward message, having a destination address therein, the switch sends an electronic message to the destination address upon receipt of the telephone message. Further, the automated operation comprises: detecting a connection status of at least one of SIM card of the SIM cards, and accordingly generating a checking result; and configuring the Bluetooth SAP of the Communication device to use a specific SIM card selected from the plurality of SIM cards according to at least the checking result.