The size of the paper opening is measured in feet.
Paper size refers to the dimensions of a sheet of paper, typically measured in width and height. The most commonly used paper size is A4, which measures 210mm by 297mm. Other common sizes include A3 (297mm by 420mm), A5 (148mm by 210mm), and letter size (8.5 inches by 11 inches). Paper size is important as it determines the layout and formatting of documents, and can affect printing and copying costs.
Paper size
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