Acesulfame-metal complexes, formed from a trace element, preferably Fe, Zn, Cu, Mn, Co and 2 molecules of acesulfamic acid by precipitation reaction with the use of suitable salts, are distinguished by a pleasantly sweet taste and are therefore suitable as sweeteners, food supplements and for enrichment of food, medicaments and feeds with trace elements. In one illustrative embodiment, the controller displays a display image on the touch screen, wherein the touch screen has a defined touch region that when touched makes a setting change to the controller. As we age, calcified layers form between the disc and vertebral bodies, blocking diffusion. The user can invoke the process by calling the function from the shared library, and the automated process takes the necessary steps to execute the function.