Structural pop rivets akupezeka mu chitsulo cha kaboni, chitsulo chosapanga dzimbiri ndi aloyi ya aluminiyamu.Iwo ali ndi makhalidwe apamwamba kukameta ubweya ndi kumakoka mphamvu, kumanga mbali imodzi, lonse riveting osiyanasiyana ndi zina zotero.
Nthawi yotumiza: Aug-26-2021