A na-emepụta waya na-ekpo ọkụ na-ekpo ọkụ, nke a makwaara dị ka zinc dip na-ekpo ọkụ na waya na-ekpo ọkụ, nke a na-emepụta site na mkpanaka waya site na ịbịaru, ikpo ọkụ, ịbịaru, na n'ikpeazụ site na usoro ikpo ọkụ na-ekpo ọkụ nke ejiri zinc kpuchie n'elu. A na-achịkwa ọdịnaya Zinc n'ogo nke 30g/m^2-290g/m^2. A na-ejikarị m...
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