Calcined tsono coke yakasiyana zvakanyanya nesiponji coke mumudziyo, ine hupamhi hwepamusoro, kuchena kwepamusoro, simba rakakwirira, yakaderera sarufa yemukati, yakaderera ablative simba, yakaderera kupisa kwekuwedzera coefficient uye yakanaka yekupisa kuvhunduka kuramba.
