The document summarizes the author's experience making concrete cube samples using various construction materials and coatings. They documented their process using Gibbs' Reflective Theory and identified stages of exposure, participation, identification, internalization, and dissemination based on Experiential Taxonomy. While facing criticism during the process, the author was able to gain firsthand knowledge and transfer that knowledge to others. Going forward, they plan to involve more staff members to facilitate collaborative learning and eliminate criticism through a shared experience.