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Major revisions are for any changes in the part's geometry. Minor revisions are for changes that only effect the drawing (ex. title block changes, missing dimensions, etc). For example, a drawing could be named DWG-12345-ExampleDrawingName-R01A. Where 01 is the major revision and A is the minor revision.
Equation File
Solidworks equation files are to be named EQUN-ShortDescription
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