Blueprint Compositions, ContinuedMarginsMargins are the distance between the cut line or paper edge and the border.Like drawing sheet sizes, margins are predetermined. Notice that for “A”-size drawings, the margins are not equal.Figure 1-36 shows margin sizes and placement on “A”-size drawings..Figure 1-36.—Margins for an “A” -size drawing.InformationblocksInformation blocks provide information on material, composition, scale,dimensional notes, tolerances, surface finish, previous or related drawings,activity identification and approval, and classification level pertaining tofabrication or construction.You may leave some blocks blank if theinformation is not needed.Continued on next page1-48
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