The invention relates to a regulating device for a motor, comprising a housing which can be associated with said motor and in which a control unit and an actuator are arranged. In some embodiments, a system comprises sorting stations, each of which houses a number of disposable containers. The compartment area 2 is separated into a first compartment 21 and an adjacent second compartment 22, both compartments 21, 22 communicating with each other via an air-flow passage 7. Furthermore, such coated particles are produced by preparing a preparation liquid containing a liquid containing at least one of water and an alcohol, the coated particles and the polyamine-based compound and then heating the preparation liquid to coat the particles with the polyamine-based compound. The requests for tasks from the plurality of sources are received at a single entry point.