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Fluorine-Kuchotsa
Wothandizira Fluorine ndi wothandizira wofunika mankhwala omwe amagwiritsidwa ntchito kwambiri pochita madzi osuta fodya. Zimachepetsa chidwi cha ma ionsteride anyezi ndipo amatha kuteteza thanzi la anthu komanso thanzi la chilengedwe cham'madzi. Monga wothandizira mankhwala ochizira madzi a fluoride, othandizira ochotsa fluorine amagwiritsidwa ntchito pochotsa makonda amadzi.