Wadanne fa'idodi na yin gyare-gyaren yumbura?
Alumina yumbura yana da fa'idodin babban rufi, babban rufin zafi, juriya na lalata, tauri mai ƙarfi, ana iya amfani da shi a cikin kera crucible, filogi na injin, kayan haɓakar zafin jiki, hannayen thermocouple, ...
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