1.Ọ bụ ihe eji eme ihe maka nchara nke agụ ụlọ na player iji kwalite ike ịgbado ume.
A na-eji ihe eji eme ihe eji eme ihe, na-agbado flux na fluorine na-ahụ maka ị drinkingụ mmiri.
A na-eji ya eme ihe na mmepụta nke flurides ndị ọzọ, Casein Gum, Casenies Fluoride Tithiespa, adhesives, mpempe akwụkwọ na Metallourgy.
4.Mlọ ọrụ mkpuchi mkpuchi, a na-eji ya dị ka phosphing and mfe idozi usoro phosph, nụchaa ihe nkiri nke fim phosphing.
