When the pre-milling column is needed in the cut list
Learn when the pre-milling column in the cut list is required and when it is only useful for panels whose pre-milling setting differs per edge.
The pre-milling column in the cut list is not required in the general case, because pre-milling is usually one value for every panel.
The pre-milling column is only useful for users whose pre-milling setting may differ for each edge of a panel.