Yeyiphi eyomeleleyo idayimani okanye itungsten?
Isinyithi se-Tungsten silinganiswe malunga nesithoba kwisikali se-Mohs sobunzima. Idayimani, eyona nto inzima emhlabeni kwaye eyona nto inokukrwela i-tungsten, ibekwe kwi-10.
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