Rivet yesimbi isina ngura inoshandiswa pakusarudza waya kana ndiro yesimbi isina ngura sezvinhu zvakagadziriswa, zvichiteverwa nemusoro unotonhora kana kudhindwa zvichingodaro.
Kudzivirira kupisa kwakanyanya kwesimbi yese isina ngura. Nekuti kuomarara kwesimbi isina ngura pachayo kwakasimba, mushure mekugadzirwa kwesimbi ine kugona kwakasimba kwekudzivirira oxidation, uye kana iri tembiricha yakakwira inogona kushanda zvakajairika, haizovhiringidzwi zvakanyanya nekupisa kwakakwira.
Nguva yekutumira: Ndira-19-2021