Certainly, wood and gasoline don't spontaneously catch on fire just mainly because they're surrounded by oxygen. With the combustion response to occur, It's important to heat the fuel to its ignition temperature. At the time ignited, a series response must take place whereby fires can sustain their own personal warmth https://fire-rated-ductworth-insu02234.blogoscience.com/43023827/a-secret-weapon-for-fire-rated-ductworth-insulation