Public domain image of an explosive device.
User <a href="https://en.wikipedia.org/wiki/User:Firebug" class="extiw" title="en:User:Firebug">Firebug</a> on <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>
From OpenClipArt.org. See <a rel="nofollow" class="external free" href="http://www.openclipart.org/cgi-bin/navigate/tools/weapons">http://www.openclipart.org/cgi-bin/navigate/tools/weapons</a>