Aha ngwaahịa: Tlot aluminom otu nke alumil nke almulation: 0.98mm n'elu ọgwụgwọ, ntụ ntụ anyị mepere emepe na-emeghego ihe osise gị. Anyị na-enye oke mma na nnyefe ngwa ngwa ma na-enye ezigbo profaịlụ nke mkpụrụ osisi alumini anyị nwere ike ịmepụta mkpakọrịta dịka mkpa gị na oge dị elu. Profaịlụ nke aluminom iji mezuo ihe ị chọrọ