An arrangement for influencing the flow of an exhaust gas of a gas turbine in a channel that preferably leads to a waste-heat exchanger or boiler. Although sophisticated LCD projectors now offer partial solutions to this problem, they require specialized hardware and time-consuming manual adjustment. In another embodiment, the target endpoint is adjusted relative to an amount of underlying layer exposed through the conductive layer. The mineral substances present in the hydrogel may be present in an amount of at least 30% by weight of the dried hydrogel. As a result, the light from the display portion shines from the surface of the transparent substrate to the outside. The SCG uses the interaction database to properly format translated messages for each network.