A method and a circuit component for suppressing crosstalk associated with the common voltage in a liquid crystal display are disclosed. Identifying these hot spots from internal company transaction data is generally a fundamental step in the problem’s resolution, but this analysis process is greatly complicated by huge numbers of transactions and large numbers of transaction variables to analyze. A cutting guide, for guiding a cutting device for cutting an installation opening in the covering material, is mounted in the guide portion. When moved toward the stopper magnet, the driver magnets induce the stopper to lift away from a sealed condition so that water can exit the basin. For the evaluation, a 3D pattern is drawn upon, which is available externally or which is able to be generated internally in an initialization step.