Sezvatinoziva tese, marasha coking, inozivikanwawo seyakakwira tembiricha yemarasha retorting, ndiyo yekutanga kushandiswa marasha kemikari indasitiri. Iyo nzira yekushandura marasha iyo inotora marasha seyakagadzirwa uye ichipisa kusvika pa950 ℃ pasi pemamiriro ekuzviparadzanisa nemhepo, inogadzira coke thr...
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