Pellets are small, typically cylindrical or spherical, compressed pieces of material. They are commonly used for various purposes, including fuel, animal feed, and ammunition. Wood pellets, for example, are used as a renewable and eco-friendly source of heating fuel. Animal feed pellets provide a convenient way to ensure animals receive balanced nutrition. In the context of ammunition, pellets are small projectiles typically used in air guns and certain firearms. Overall, pellets serve diverse applications and are valued for their convenience, efficiency, and versatility.