Projection Symbols

The International Organization for Standardization (ISO) recommends the incorporation of projection symbols on drawings that are produced in one country for use in many countries (Figure 5.11). The projection symbols are intended to promote the accurate exchange of technical information through drawings.

Figure 5.10 Three-view drawings are typically required for more complex shapes. The combination of front, top, and right side views reflects the method normally used by drafters to describe these objects.

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