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A green on white or white-coloured background is used behind a black biohazard symbol when integrated with a NOTICE sign, label or paragraph. DANGER is used to identify a biohazard that will cause death. WARNING is used to identify a biohazard that may cause death. CAUTION is used to identify a biohazard that will cause injury, but not death.
The following other wikis use this file: Usage on af.wikipedia.org Biologiese oorlogvoering; Usage on ar.wikipedia.org نفايات طبية; Usage on az.wikipedia.org
Hazard symbols may vary in color, background, borders, or accompanying text to indicate specific dangers and levels of risk, such as toxicity classes. These symbols provide a quick, universally understandable visual warning that transcends language barriers, making them more effective than text-based warnings in many situations.
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The international biohazard warning symbol as it appears in the Laboratory biosafety manual (Third edition) by the World Health Organization, Geneva 2004. Note that the sickles have blunt ends, not sharp ones. (Unlike most versions on the web) Blunt probably because sharp forms tend to print lousy images when stenciled.
modified symbol to remove overlap on inner arc: 16:21, 10 August 2021: 512 × 446 (1 KB) Vizorsols: adjust triangle, ISO 3864-4 coloring (RAL 1003) 01:07, 4 August 2021: 512 × 447 (1 KB) Vizorsols: removed pixel of whitespace at bottom: 01:06, 28 July 2021: 512 × 448 (1 KB) Vizorsols: Perfect symbol. There is likely room for optimization: 00: ...
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The symbol for biohazard substances (without the black-yellow triangle.) Date: 20 May 2008: Source: Modified from Image:Biohazard symbol.svg: Author: Original by Silsor;