Besi memang salah satu substansi yang sangat kuat. Sayangnya besi mudah mengalami korosi yang membuatnya berkarat dan rapuh. Korosi dapat terjadi karena air, udara, ataupun senyawa lain. Suhu ekstrem dan air, terutama air laut dan air hujan juga berpotensi menyebabkan besi berkarat. Along with a healthful foodstuff system, the Cat Besi also nec

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