In order to dissolve cleaning tablets in a constant stream of media, a rinsing out chamber is suggested, in which the tablet is dissolved in an upward rotary stream of the medium, that keeps it afloat against a filter mesh. Synchronization networks and devices are provided for transferring synchronization information between controllers in a distributed or localized control system, which is employed in order to allow operation of such controllers to be synchronized with respect to time. The stroller also includes a seat having a seat base and a seat back pivotally mounted to the frame. The circuit has a control input in the form of a mask which causes a selection means to allocate bits from the first and second sets of instruction values to different instruction streams to the processing device. The interrogator and sensing device communicate in a wireless manner.