The story of the processing site and "not being able to go back."

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Cutting processing is a job that shapes materials by gradually shaving them away. Once material is cut, it cannot be returned to its original state. It is not like erasing a mistake with an eraser at school. Therefore, we take measurements multiple times during the processing. Measurements taken during processing are not for inspecting the finished product. They are to determine whether to continue processing, make corrections, or stop at that point. We measure to make that judgment. We make corrections based on the measured numbers, but that judgment does not always yield the desired results. There can be mistakes in input, or we may overcorrect due to assumptions. We check the dimensions. "…" We measure again. "…" The results do not change. Once material is cut, it cannot be returned to its original state. That is why we process not just by looking at the numbers, but by considering what those numbers mean, where the cause lies, and how to avoid repeating the same mistakes next time. I believe that is also part of the job of cutting processing.

Processing Contract