Introduction To Print ReadingDOE-HDBK-1016/1-93INTRODUCTION TO PRINT READINGChangesThere are two common methods of indicating where a revision has changed a drawing thatcontains a system diagram. The first is the cloud method, where each change is enclosed by ahand-drawn cloud shape, as shown in Figure 4. The second method involves placing a circle (ortriangle or other shape) with the revision number next to each effected portion of the drawing,as shown in Figure 4. The cloud method indicates changes from the most recent revision only,whereas the second method indicates all revisions to the drawing because all of the previousrevision circles remain on the drawing.The revision number and revision block are especially useful in researching the evolution of aFigure 4 Methods of Denoting Changesspecific system or component through the comparison of the various revisions.Rev. 0PR-01Page 7
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business