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You cant keep building

You can't keep building higher and higher up with rigid structures. There comes a point when you can't keep up. And such [natural] solutions take time. You want to get the reefs started early."  


อ่านต่อเพิ่มเติม โรงเรียนวัดเพ็ญญาติ

สาระสำคัญ  คณิตศาสตร์

Centre for Community Journalism