SS 508-4-2008 Specification for Graphical symbols - Safety colours and safety signs - Part 4: Design principles for graphical symbols for use in safety signs
This part of ISO 3864 gives principles, criteria and guidance for the design of graphical symbols for
use in safety signs as defined in ISO 3864-1, and the safety sign element of product safety labels as
defined in ISO 3864-2.
SS 508-4-2008 history
2008SS 508-4-2008 Specification for Graphical symbols - Safety colours and safety signs - Part 4: Design principles for graphical symbols for use in safety signs