https://www.firehouse.com/rescue/article/10528863/the-phenomenon-of-spontaneous-combustion

https://www.smithsonianmag.com/innovation/your-burning-questions-about-olympic-torch-answered-180968120/

Fact: Sprinkler heads are individually activated by fire temperatures in excess of 155°. Residential fires are usually controlled with one...

https://www.usfa.fema.gov/data/statistics/

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