1. Siffofin jan jan ƙarfe mai tsabta: babban tsabta, ƙungiya mai kyau, ƙananan ƙarancin oxygen.babu Pores, trachoma, porosity, kyakkyawan ingancin wutar lantarki, babban madaidaicin farfajiyar ƙirar lantarki, bayan tsarin kula da zafi, wutar lantarki ba ta da jagora, dace da f ...
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