During January 2025, Ncb176 worked on the NclRSE-Training/countries repository, focusing on data lifecycle management and dataset hygiene. They introduced and then removed a temporary data file, italy.txt, to demonstrate disciplined data governance and ensure that only relevant information persisted in the dataset. Using data entry skills and working with text-based data, Ncb176 maintained repository cleanliness by eliminating stale artifacts, thereby reducing confusion in downstream analysis pipelines. All changes were meticulously tracked through Git commits, reflecting a methodical approach to traceability. The work addressed a single bug and emphasized the importance of maintaining data integrity in collaborative environments.