N’chifukwa chiyani ma rivets achitsulo nthawi zambiri amapangidwa ndi chitsulo chotsika mpweya?

Ma rivets amafunika kukhala ndi kulimba ndi pulasitiki, ndipo mphamvu ndi kuuma kwa chitsulo chopanda kaboni ndizochepa, koma kulimba ndi pulasitiki wambiri, kukonza kupanikizika komanso magwiridwe antchito abwino kwambiri. Chitsulo chopanda kaboni (chitsulo chopanda kaboni) ndi chitsulo cha kaboni chokhala ndi mpweya wochepa wochepera 0.25%. Kapangidwe kake ka chitsulo chopanda kaboni ndi ferrite ndi pearlite yochepa.