<b>Definition.</b><br/>Unload is the activity to remove products from a source which hold them.<br/><br/><b>Remark.</b><br/>An unload is the view from the source of a ProductAllocation.<br/><br/><b>Example:</b><br/>A combine harvester which unloads the grain tank has created a Batch in the grain tank and unloads it in a grain cart. At the moment of unloading it has knowledge of the batch it created itself, but not of the Batch which is collected in the grain cart. It has however knowledge of the grain cart (Container) as destination and might make an estimate of the unloaded quantity.<br/>