Masarudzire Sefa Yesirinji Chinangwa chikuru chesefa chesirinji ndechekusefa zvinwiwa nekubvisa zvidimbu, sediments, microorganisms, nezvimwewo. Zvinoshandiswa zvakanyanya mubiology, chemistry, sainzi yezvakatipoteredza, mushonga, nemishonga.Iyi sefa inozivikanwa zvakanyanya kune yayo yakanaka filtrati ...
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