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The photo material of 'Aluminum Hydroxide Nodules (Concentrated and Precipitated Aluminum Hydroxide in Rock with Sand Grains and Other Particles as Nuclei)' is free material that can be used for both commercial (use cases) and non-commercial purposes without charge. No membership registration is required, and there are no quantity limits or paid sales. Please read the "Terms of Use", and only if you agree, you may use the S/M/L and cropped images.
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Please refer to the original Japanese version.：水酸化アルミニュームのノジュール（砂粒等を核として岩石中の水酸化アルミニュームが濃縮、沈殿しかたまったもの）
