Graphical symbols — Safety colours and safety signs — Part 3: Design principles for graphical symbols for use in safety signs
图形符号安全色和安全标志第3部分:安全标志用图形符号的设计原则
This document provides principles, criteria and guidance for the design of graphical symbols for use in safety signs as defined in ISO?3864-1, and for the safety sign element of product safety labels as defined in ISO?3864-2.