1550s, from Middle French cube (13c.) and directly from Latin cubus, from Greek kybos a cube, a six-sided die, vertebra, perhaps from PIE root *keu(b)- to bend, turn..
The triangle illustrates the three elements a fire needs to ignite: heat, fuel, and an oxidizing agent (usually oxygen). A fire naturally occurs when the elements are present and combined in the right mixture, meaning that fire is actually an event rather than a thing. A fire can be prevented or extinguished by removing any one of the elements in the fire triangle. For example, covering a fire with a fire blanket removes the oxygen part of the triangle and can extinguish a fire.
Seriously Funny Leadership Keynote Speaker I President, Unconventional Leader I Executive Coach I Author. When I first joined the Navy I, like every young Sailor, went through the required training to learn how to fight and prevent fires. Twenty years later, I still remember that you need 3 elements to create a fire â oxygen, heat, and fuel. Take one of them away and the fire is gone and so is the chemical reaction.