A method, system and program product for remote scheduling of at least one job to run on a plurality of computers in a computer network. A device that enters the network later transmits a restart request on detecting the master device, and if a restart permission is received, the device transfers to a restart state and transmits a master inquiry before the device that was the master device up until that point. The air flow is then guided in the circulating air and the combined stock flow is conveyed to a device for further processing, sorting andor conveyance. The first switching element includes a first terminal coupled to the power source, a control terminal, and a second terminal coupled to the battery.