Some things we need to know about fire
Fire: Fire is a type of chemical reaction where a combination of moderate heat + combustible material or fuel + air or oxygen produces heat and light energy is called fire. Fire cannot be caused without one of the three genes. If you want to put out the fire, if you can remove any 1 of the 3, the fire will be extinguished. So heat, matter, air, these 3 together are called the triangle of fire. And we will be careful of fire.