ELI5: Explain Like I'm 5

flameless ration heater

A flameless ration heater is a special device that helps warm up your food without using fire or electricity. It's used by soldiers and hikers who need warm food, but can't start a fire or plug anything in.

The heater comes in a small bag, where you place your food pouch. Then, you pour a little bit of water inside the bag, which activates the heater. It's like mixing two chemicals together, and they create a reaction that makes heat.

As the heater gets warmer and warmer, it heats up your food pouch, making your food nice and warm without ever having to use a stove or a fire. This makes it really handy for people who are out in the field, or on a camping trip, and don't have access to a kitchen or fire pit.

The flameless ration heater is a great invention and has helped millions of people stay fed and warm in situations where cooking isn't an option.
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