Cov yeeb yuj qhov muag tsis pom rivet yog pleev xim rau raws li cov neeg siv khoom xav tau.
Cov yeeb yuj rivets nrog cov xim sib txawv yog txau nrog cov txheej txheem ci ci tshiab, thiab muaj cov tsos zoo nkauj, ua kom sov, tiv thaiv acid, tsis muaj xim, thiab lwm yam. Lawv yog cov rivets tshiab.Thiab yog siv nyob rau hauv lub sij hawm yuav tsum tau txuam nrog cov ntaub ntawv uas tib xim.