Fires begin any time a flammable or a combustible material combine together with a sufficient amount of oxidizer such as oxygen gas or another oxygen-rich compound (though non-oxygen oxidizers exist, such as chlorine),[56] is exposed to a source of heat or ambient temperature above the flash point for the fuel/oxidizer https://thebookmarkking.com/story19878622/a-simple-key-for-fire-risk-assessor-greater-manchester-unveiled