Fires begin when a flammable or a combustible material combine together with a sufficient quantity of oxidizer for instance oxygen gas or another oxygen-rich compound (though non-oxygen oxidizers exist, for example chlorine),[56] is exposed to a supply of heat or ambient temperature higher than the flash point for the fuel/oxidizer https://mysocialfeeder.com/story4795601/new-step-by-step-map-for-fire-risk-assessor-carlisle