A motor vehicle has an electrical drive machine that is supplied with electrical energy by an electrical energy storage device, and has an underbody region or surface. Preferably, the peak concentration is lower than that provided by the reference standard for immediate release methylphenidate formulations, and the duration of effect falls rapidly at the end of the dosing interval so as not to affect the appetite of the patient at dinner nor the patient’s sleep thereafter. Under certain circumstances, such as in a fail-over condition, or to improve throughput, the second driver is conditionally directed to replace its stored MAC address with the MAC address of the first network interface. The label associated with the first data set is stored in a label storage database that can be accessed to perform subsequent analysis on the data associated with a specific wafer. The exact position of the food articles in the article holders is determined.