Ụdị isi ihe ntọala maka efere agba agba bụ:
1. Oyi-akpọrela mkpụrụ agba ntekwasa ígwè efere
Efere agba nke a na-emepụta site na oyi akwa na-eme ka oyi na-atụ nwere ọdịdị mara mma ma mara mma, ma nwee ọrụ nhazi nke efere oyi;ma ọ bụla obere scratches na n'elu mkpuchi ga-ekpughere oyi-akpọrela isi efere na ikuku, nke mere na-ekpughere ígwè ga ngwa ngwa na-emepụta red nchara.Ya mere, ụdị ngwaahịa a nwere ike iji naanị maka ihe dịpụrụ adịpụ nwa oge na ihe dị n'ime ụlọ nwere ihe dị ala.
2. Hot-mikpu galvanized agba ntekwasa ígwè efere
Ngwaahịa a nwetara site n'itinye ihe mkpuchi organic na mpempe akwụkwọ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ bụ mpempe akwụkwọ na-ekpo ọkụ na-acha ọkụ.Na mgbakwunye na mmetụta nchebe nke zinc, mpempe akwụkwọ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-arụkwa ọrụ nke mkpuchi mkpuchi na igbochi nchara, na ndụ ọrụ dị ogologo karịa nke mpempe akwụkwọ galvanized na-ekpo ọkụ.Ọdịnaya zinc nke mkpụrụ osisi galvanized na-ekpo ọkụ na-abụkarị 180g/mr (n'akụkụ abụọ), yana ọdịnaya galvanized kachasị elu nke mkpụrụ osisi galvanized na-ekpo ọkụ maka mpụta ụlọ bụ 275g/m.