Ukumelana nokushisa okuphezulu kwazo zonke izimbobo zensimbi engagqwali. Ngenxa yokuthi ubulukhuni bensimbi engagqwali buqinile, i-rivet ngemuva kokukhiqizwa inamandla amakhulu okuvimbela i-oxidation, futhi ngaphansi kokushisa okuphezulu ingasebenza ngokujwayelekile, ngeke iphazanyiswe kakhulu yi-rivet yensimbi engagqwali ngemuva kokukhiqizwa kwe-passivation, ukumelana nokushisa okuphezulu kunamandla.
Isikhathi sokuthunyelwe: Jan-14-2021