One of the most flammable compounds incorporate carbon and hydrogen, which recombine with oxygen fairly easily to variety carbon dioxide, h2o and other gases. The creation of gunpowder in China led on the fire lance, a flame-thrower weapon courting to about one thousand CE which was a precursor to projectile https://buildingfiresafetyinspect12344.blogzag.com/79805868/top-what-to-expect-during-a-fire-risk-assessment-secrets