Ezisetshenziswa zezimboni, ukukhethwa kwezinto kungaba nomthelela omkhulu ekusebenzeni kahle, ikhwalithi nokusimama komkhiqizo wokugcina. I-Anatase grade titanium dioxide, ikakhulukazi ukwahluka KWA-101, ingenye yezinto ezithole ukunakwa ngenxa yokuhlukile...
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