Maka igwe a, anyị na-enye akụkụ atọ dị ka ndị a:
Naanị ị ga-ahọrọ nha na anyị ga-enye ihe eji eme ya, nke pụtara na ị nwere ike imecha nha niile n'otu igwe site n'ịgbanwe ihe ọkpụkpụ.
Igwe a nwere akpaaka dị elu, naanị otu onye ọrụ nwere ike rụchaa mmepụta ya niile.
Maka obere igbe, otu ton galvanized ígwè ibe nwere ike ime dị ka nke a: ọkpụrụkpụ 0.5mm nwere ike ime banyere 8815 iberibe, 0.6mm nwere ike ime banyere 7346 iberibe, 1.2mm nwere ike ime banyere 3673 iberibe igbe.