Please complete the following text for the production of stirred yoghurt. A like the production of stirred yoghurt can be structured in steps like downstreamprocessing, followed by like pasteurization. In this case, the germ inactivation by heat represents the actual Processing units like of the pasteurized milk belong to the (1) the following process steps are then (2) (3) and (4) transformation of the food occurs in process step (3)