Notes

Extinguishing media should be colour coded in the centre part of the symbol and indicated by a letter below the symbol as follows：

Grey - CO₂ for carbon dioxide or N2 for Nitrogen

Brown - H for halon or halon equivalent

　

Notes

Extinguishing media should be colour coded in the centre part of the symbol and indicated by a letter at the right side of the symbol as follows：

Yellow - F for foam

White - P for powder

Green - W for water

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