Access points are grouped into access point groups. The game control means are arranged to play a game in which a player makes a selection, on the machine, of a series of indicia chosen from a larger group of indicia, and the game control means are arranged to generate a series of indicia drawn at random from the larger group of indicia. The projection automatically creates a space distance of at least the projection height between the pick-up surface and at least a portion of the cover to provide clearance for attracting the magnetic debris. 1 is set, wherein the DME-containing product gas is integrated into a method for converting dimethyl ether to olefins, whereby an olefin-containing product gas is formed, and wherein olefins, in particular ethylene andor propylene, isare separated from the olefin-containing product gas by means of separating methods. The guide surface is independent of the storage layer and the first and second partial guides are connected to one another and are pretensioned against one another, and act in a pincer-like manner on the support surface.