Fires start any time a flammable or a combustible material combine together with a sufficient amount of oxidizer like oxygen gas or another oxygen-rich compound (even though non-oxygen oxidizers exist, including chlorine),[56] is subjected to a source of warmth or ambient temperature over the flash point for the gasoline/oxidizer mix, https://nybookmark.com/story21730540/an-unbiased-view-of-fire-risk-assessor-carlisle