Multistage production method and system

A method for with respect to a first final product operating a processing flow that contains a predetermined sequence of processing steps, each step being mapped on a particular capacity source that may be applied one or more times in the flow,

• said method being characterized by assigning at various control capacity sources relative priorities to its mapped control processing steps according to a relatively weighted set of at least two among the following relative ranked priorities:
• a. a priority-raising ranked Relative Backlog Level for such control processing step with respect to the product in question;
• b. a priority-raising ranked Relative Load for such control processing step with respect to the next applicable control processing step;
• c. a priority-raising ranked Relative Load for the actual processing step;
• d. a priority-raising ranked processing step number or nearness of the processing step in question to the end of its process flow.