The fire triangle includes a few factors: warmth, fuel, and oxygen, all of which happen to be needed for a fire to ignite and maintain itself. Below, foods is cooked inside of a cauldron earlier mentioned fire in South Africa. Through the Neolithic Revolution, during the introduction of grain-based mostly https://manuelfxncp.life3dblog.com/35401698/not-known-details-about-fire-rated-ductworth-insulation