Cov Cim Npe Khoom
Ib hom hlau uas tsis hnyav thiab tiv taus xeb. Lub cev rivet yog pleev xim dawb.
Cov rivets dig muag nrov vim lawv teeb tsa sai thiab yooj yim; lawv tsim cov khoom siv ruaj khov (yog tias lub mandrel tawg, lub rivet tau teeb tsa kom raug); lawv tiv taus kev co thiab kev cuam tshuam; thiab cov rivets thiab cov cuab yeej teeb tsa tsis ua rau puas rau ntawm cov khoom siv uas tau koom ua ke.
