1.Ịgbanwe agba mmiri mkpofu n'ime ụlọ ọrụ ọgwụgwọ nsị
2. Nnwale defluorination mmiri mkpofu
3. Ịmepụta agba mmiri mkpofu nke obodo
4.Ịgbanwe agba nke ibipụta na ịcha mmiri mkpofu
5. Nnwale ịgbanwe agba mmiri mkpofu
6. Iwepụ fluoride na nnwale mmiri mkpofu
Oge ozi: Nọvemba-28-2024