Ụdị ihe dị mkpa maka efere na-acha uhie uhie bụ:
1
Mpempe akwụkwọ na-acha odo odo na-emepụta site na mmanụ a na-ajụ oyi nwere ọdịdị dị mma ma mara mma, ma nwee arụmọrụ nke efere oyi; Mana obere ihe ọ bụla n'elu mkpuchi elu ahụ ga-ekpughere efere na-ajụ oyi na ikuku, nke mere na ígwè ekpughe ga-eweta ngwa aja na-acha uhie uhie ngwa ngwa. Ya mere, enwere ike iji ụdị ngwaahịa a naanị maka ihe ndị na-adị nwa oge na ihe dị n'ime ụlọ nwere ihe dị ala.
2.
Ngwaahịa ahụ enwetara site na itinye akwa mkpuchi na mpempe akwụkwọ nchara na-ekpo ọkụ na-ekpo ọkụ na mpempe akwụkwọ mkpuchi na-ekpo ọkụ. Na mgbakwunye na nchebe nke zinc, mpempe akwụkwọ yiri nke a na-ekpo ọkụ na-ekpo ọkụ na-arụ ọrụ na-enweghị atụ na igbochi nchara anya karịa nke mpempe akwụkwọ na-ekpo ọkụ. Mkpụrụ osisi Zinc nke mkpụrụ osisi na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ 180g / Mr (abụọ (ma n'akụkụ ya kachasị elu nke mkpụrụ osisi na-ekpo ọkụ maka ịmịpụta mmiri dị ọkụ na-achasi ike bụ 275G / m.