Which section refines procedures to ensure safety and continued use?

The section that refines procedures to ensure safety and continued use is Changes. This section is specifically designed to document any modifications or updates to existing procedures, policies, or guidelines that may impact safety considerations. By providing thorough and up-to-date information, the Changes section plays a critical role in maintaining operational integrity and ensuring that all personnel are aware of the latest procedures that help mitigate risks.

The focus on refining procedures supports a culture of safety and continuous improvement, which is essential in aviation and other aircrew functions where the margin for error is very small. By regularly reviewing and updating pertinent information, the Changes section helps to incorporate lessons learned, adapt to new challenges, and implement best practices effectively, thus ensuring ongoing safety and operational effectiveness.