Embodiments for reducing ammonia slip are provided. Furthermore, using a cap for covering the distal end of the drug delivery device is disclosed. The data structure may be stored in a file system maintained on a site, and sites may exchange information related to the notification data stored on each. A pair of electrode films are formed on the upper and lower surfaces of the ferroelectric layer, respectively, to define a capacitor incorporated in the multi-layer circuit board. The disposable absorbent article includes at least one serviceable indicium that facilitates an easy, intuitive change by aligning the article relative to an anatomical feature of the wearer or relative to a component of the article thereby enhancing the fit and corresponding performance of the article. Up to five favorite recipes can be stored in system memory for selection by a user, and two recipes can be combined for automatic sequential execution.