Munzvimbo yedu chaiyo yekuyedza, kune akawanda zviratidzo zvekuyerwa, Residual chlorine chimwe chezviratidzo zvinowanzoda kutariswa.Munguva pfupi yapfuura, takagamuchira mhinduro kubva kuvashandisi: Pakushandisa iyo DPD nzira yekuyera yakasara chlorine, yainhuhwirira kunhuhwirira kwakanyanya, asi bvunzo ...
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