Yabuta Makoto developed comprehensive Calibration Tools Documentation for the autowarefoundation/autoware-documentation repository, focusing on the integration of Tier IV calibration tools with Autoware. By leveraging technical writing and software integration skills, Yabuta provided detailed descriptions and step-by-step installation instructions in Markdown, ensuring clarity and ease of use for end users. The documentation improved onboarding efficiency and reduced support requirements by offering precise guidance for calibration workflows. Throughout the process, Yabuta emphasized structured commits and traceability, collaborating across teams to ensure accuracy. The work demonstrated depth in technical documentation and addressed real integration challenges faced by Autoware users.