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During vaporization, fuel undergoes a physical change where it transforms from a liquid state into vapor when heated. This process is critical in the context of combustion because many fuels must first vaporize in order to mix with air and ignite.

In the case of liquid fuels, the heat increases the energy of the molecules, which then transition into a gaseous state. This vapor must mix with oxygen to sustain combustion. The process of vaporization is fundamental to many fire dynamics, influencing how effectively a fuel will ignite and burn once heated.

Understanding vaporization is essential for fire management and prevention, as controlling this phase can help in both combustion efficiency and fire safety strategies.