Abstract Indasitiri uye kuwedzera kwehuwandu mumakumi mashoma emakore apfuura kwave kukonzeresa mukuderera kwemhando yemvura. Mamwe magasi anobuda muzvicherwa zvekuchenesa mvura ane muchetura uye anogona kutsva, anoda kuzivikanwa, akadai sehydrogen sulphide, carbon dioxide, methane, uye ca...
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