Filing a petition for a writ of certiorari to the U.S. Supreme Court does not automatically stay the mandate. Nonetheless, certiorari petitions are a common basis for asking an appellate court to issue a stay. Rule 41 expressly contemplates such motions.
The Fire Triangle. Three things are required in proper combination before ignition and combustion can take place---Heat, Oxygen and Fuel. There must be Fuel to burn. There must be Air to supply oxygen. There must be Heat (ignition temperature) to start and continue the combustion process.
The fire triangle or combustion triangle is a simple model for understanding the necessary ingredients for most fires. The triangle illustrates the three elements a fire needs to ignite: heat, fuel, and an oxidizing agent (usually oxygen).