Yini engahlungwa yi-RO membranes?
I-membrane ye-RO ine-filtration enembile kakhulu, isusa ngempumelelo: Ama-ion ensimbi esindayo: njenge-lead, i-mercury, i-cadmium, i-chromium, njll., abeka izingozi ezinkulu empilweni yabantu. Ba...
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