fufulu isu Ⅱ
Oloa pateni
Fomai marterials: Fetuutuunai ma tumau, maualuga maualuga le malosi ma mamafa tetee.
Faʻaoga polymer organic mea. Malosi maualuga, malosi faigata, Acid ma Alkali tetee.
Oloa pateni
Fomai marterials: Fetuutuunai ma tumau, maualuga maualuga le malosi ma mamafa tetee.
Faʻaoga polymer organic mea. Malosi maualuga, malosi faigata, Acid ma Alkali tetee.