Fires begin when a flammable or a combustible material combine together with a sufficient quantity of oxidizer for example oxygen gas or another oxygen-rich compound (even though non-oxygen oxidizers exist, including chlorine),[56] is subjected to a source of heat or ambient temperature higher than the flash point for the gasoline/oxidizer https://bookmarkquotes.com/story20029241/detailed-notes-on-fire-risk-assessor-lancashire