An United Nations <a href="https://en.wikipedia.org/wiki/ADR_(treaty)" class="extiw" title="w:ADR (treaty)">ADR</a> orange dangerous goods plate.
<ul><li>Top number - <a href="https://en.wikipedia.org/wiki/UN_number#Hazard_identifiers" class="extiw" title="w:UN number">Hazard identification number</a>.</li>
<li>Bottom Number - <a href="https://en.wikipedia.org/wiki/UN_number" class="extiw" title="w:UN number">UN number</a>.</li></ul><p><b>Dimensions:</b>
</p>
<ul><li><b>A</b> - 300 millimetres (12 inches)</li>
<li><b>B</b> - 400 millimetres (16 in)</li>
<li><b>C</b> - 150 millimetres (5.9 in)</li>
<li><b>D</b> - 100 millimetres (3.9 in)</li>
<li><b>Border</b> - 15 millimetres (0.59 in)</li></ul>
<a href="//commons.wikimedia.org/wiki/User:The_Navigators" title="User:The Navigators">The Navigators</a>
This <a href="https://en.wikipedia.org/wiki/vector_image" class="extiw" title="w:vector image">vector image</a> includes elements that have been taken or adapted from this file: