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In some engineering or manufacturing contexts (like "Factory 3.5.1"), the "proper paper" refers to the physical material used for plotting or industrial output:
Use standard 8.5" x 11" white bond paper (Letter size) if you are in the U.S., or A4 elsewhere. 2. Format Factory 3.5.1 (Software Version) format-factory-3-5-1
High-capacity bond paper used for technical drawings (CAD/CAM). In some engineering or manufacturing contexts (like "Factory