Abstract: A method for influencing light beams in the interior of a motor vehicle. The light beams come from the direction of a mirror bank associated with a head-up display. Different approaches are provided for providing an enhanced display option and simultaneously reducing a dazzling of a vehicle occupant by unwanted reflections. The light beams are generated in the mirror bank, wherein some of the generated light beams are blocked in the region of the mirror bank in such a way that a particular keep-clear region is created into which reflected light beams can no longer enter, or generated light beams in the region of the mirror bank are directed without reflection onto a particular viewing region, or the generated light beams in the region of the mirror bank are polarised and only such polarised portions of the light beams that cause no or only negligible reflections exit the mirror bank.

Abstract: A method and system for cleaning workpieces with a liquid solvent in a treatment chamber which is connected into a drying gas circuit for the purpose of drying the workpieces. The drying gas circuit includes in series one after the other a ventilator, a condenser, a heating device and an adsorber containing activated carbon. The circuit is operated such that during a drying phase the condenser is cooled, the heating device switched on and the activated carbon regenerated by the hot circulating air whereupon, during an adsorption phase with the condenser switched on and the heating device switched off, the remaining solvent vapor is withdrawn from the circulating drying air by the activated carbon.