After protecting partially burned papers, what is the next recommended step?

Storing the partially burned papers safely until they are fully cooled is the recommended next step because this action significantly reduces the risk of reignition. Fire can smolder for a period of time even after visible flames have died out, particularly in materials like paper that can retain heat. By placing them in a secure location where airflow is controlled and allowing them to cool completely, you mitigate the danger of any hidden embers igniting and causing a larger fire. This practice aligns with fire safety protocols to ensure all materials are dealt with in a manner that prioritizes safety and property protection.

Burning them immediately could lead to additional hazards or uncontrolled fires. Disposing of them without supervision would also be irresponsible, as it does not account for potential fire risks. Finally, leaving them exposed to air can facilitate reignition, so proper cooling and storage is essential for safety.