Cov nplaim zoo nkauj thiab muaj ntau yam siv tau;
Kev tiv thaiv corrosion zoo, ua haujlwm ntev dua li cov hlau zoo tib yam;
Zoo corrosion kuj;
Lub zog siab, yog li qhov muaj peev xwm siv cov phaj nyias yog qhov zoo;
Kub oxidation tsis kam thiab lub zog siab, yog li nws tuaj yeem tiv taus hluav taws;
Kev ua kom sov li qub, uas yog, ua cov yas yooj yim;
Vim tias tsis xav tau kev kho saum npoo av, nws yooj yim thiab yooj yim los tswj;
Ntxuav, ua tiav siab;
Kev ua haujlwm zoo vuam.
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