Aha ngwaahịa: aluminom na-acha ọcha otu nke aluminom elu usoro ọgwụgwọ: ntụ ntụ anyị na-emeghe bul ga-emeghe bul dị ka ihe osise teknụzụ 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