Blueprint Compositions, ContinuedSheet sizesDrawing sheet sizes are standardized by the American Society of MechanicalEngineers (ASME) and the American National Standards Institute (ANSI).Sheet sizes are designated by letter. These standards are published inMIL-STD-100A. The drawing sheet sizes you use are determined by theneeds of your command and your need to economically lay out requiredinformationFigure 1-35 lists drawing sheet sizes and the associated letter designators.Figure 1-35.—Drawing sheet sizes and associated margin widths.Continued on next page1-47
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