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Mai ƙera Pepper grinder Kofi Grinder Ceramic grinding Core
Ana yin murfin yumɓu na kayan inorganic kamar alumina waɗanda aka lalata a yanayin zafi sama da digiri 1300 na Celsius. Kayayyakin musamman na kayan suna sa keɓaɓɓun murɗaɗɗen yumbu suna da halayen babban taurin kai, sa juriya, ɓarkewar zafi da sauri, juriya na lalata, aminci da kariyar muhalli, cikakke ne don lahani na filastik ko murfin ƙarfe.
