Being able to cook food and boil water are true necessities in a survival situation. Thankfully, it’s easy to turn a piece of trash (like an empty tuna can or Altoids tin) into a serviceable cooker. All you need is a stable, fire-proof spot to set up the stove (preferably outside) and the simple items listed below. Keep a fire extinguisher handy too, just in case things take a spill. So without further delay, here are three different ways to make your DIY stove, using a variety of common materials.