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To support a fire, you need three key ingredients: fuel (such as wood, paper, or gas), oxygen (from the air), and heat (from a spark, flame, or other ignition source). These three components together create the fire triangle, which is necessary for combustion to occur.

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Around 16% of oxygen in the air is needed to support fire. This level is known as the minimum oxygen concentration required for combustion.


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What ingredients do you need for a fire?

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