A synchronous clock phase control circuit includes a T8 step phase clock generation unit, a phase selection unit, and four synchronous clock generation units. A sigma-delta modulator comprises a quantizer configured to convert an analog signal to a digital value. Over a substrate 100, a second light-emitting element 110 and a first light-emitting element 120 are stacked in series. When SAP particles are hydrated with an aqueous inorganic flame retardant solution, the SAP particles may thereafter be dried to remove substantially the water component. A control interacts with the customization repository and the service for causing customization of the service and the client by disposing the proxy to interact with the application and the dispatcher to interact with the sub-system.