ADR pictogram 2.3-Poison gases
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ADR pictogram 2.3-Poison gases
United Nations Economic Commision for Europe
https://en.wikipedia.org/wiki/ADR_(treaty)
hazard
danger
hazardous
dangerous
chemical
radioactivity
flammable
explosive
ADR
pictogram
warning
sign
poison
biohazard
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.