Official ADR pictogram (formally, the European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR)) is a 1957 United Nations treaty that governs transnational transport of hazardous materials. Author: United Nations Economic Commision for Europe License: Public Domain according to Wikipedia Source: https://en.wikipedia.org/wiki/ADR_(treaty)
ADR pictogram 2.1-Flammable gases free icon was designed by Juhele for icons Png and presented to its users.
Juhele
11/26/2017