Fires begin when a flammable or a combustible material combine together with a sufficient amount 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://leftbookmarks.com/story19982094/getting-my-fire-risk-assessor-lancashire-to-work