Carbon simbi mapepa ave chinhu chakakosha mumaindasitiri akasiyana.Nezvivakwa zvavo zvakatanhamara uye mashandisirwo akakura, vanoita basa rakakosha muchikamu chekugadzira.Isu tichaongorora mabhenefiti, mashandisiro, uye mhando dzekabhoni simbi mapepa, anosanganisira ...
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