Oke okpomọkụ nke rivets ígwè niile kpuru ìsì. N'ihi na ike nke ígwè anaghị agba nchara n'onwe ya siri ike, rivet mgbe mmepụta ya gasịrị nwere ike siri ike igbochi oxidation, na n'okpuru okpomọkụ dị elu nwere ike ịrụ ọrụ nke ọma, agaghị enwe nnukwu nsogbu site na nnukwu okpomọkụ, isi ígwè anaghị agba nchara mgbe mmepụta nke passivation gasịrị, oke okpomọkụ siri ike.
Oge ozi: Jenụwarị-14-2021