ISO 7010, “Graphic symbols - Safety colours and safety signs - Safety signs used in workplaces and public areas”, identifies the recognized symbols for use at required exits. Examples are provided in [b-3.4.5.1.#^figure-3451hplca|Figures 3.4.5.1.](c)(i) and [b-3.4.5.1.#^figure-3451hplca|3.4.5.1.](c)(iii).