Kayan Aikin Inji na Granite
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Daidaitaccen Granite Injin Aka gyara
Ana yin injinan daidaito da yawa ta hanyar dutse na halitta saboda kyawawan halayensa na zahiri. Granite na iya kiyaye daidaito mai kyau ko da a zafin ɗaki. Amma a bayyane yake cewa zafin jiki zai shafi gadon injin ƙarfe.