"Uhlelo lwe-online-chlorinated sodium hypochlorite dosing," ngokuvamile lubhekisela kumasistimu asetshenziselwa ukubulala amagciwane noma ukufakwa kwe-chlorine emisebenzini ehlukahlukene yezimboni, njengezindawo zokuhlanza amanzi, izindawo zokuhlanza amanzi angcolile, noma amachibi okubhukuda.Uhlelo lokudosa luvamise ukulimaza...
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