The fire triangle consists of three elements necessary for a substance to burn: air, fuel and heat. In arson, one or more of these elements is usually present in abnormal amounts for the structure.
What is a fire triangle?
The fire triangle, often known as the combustion triangle, is a basic model for determining the elements required for most flames. The triangle represents the three ingredients that must be present for a fire to start: heat, fuel, and an oxidizing agent. When all of the elements are present and mixed in the proper proportions, a fire will spontaneously occur.
Therefore the fire triangle consists of three elements necessary for a substance to burn: air, fuel and heat. In arson, one or more of these elements is usually present in abnormal amounts for the structure.
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