Cov hniav hniav hniav, tseem hu ua braces, yog ib txoj hauv kev kho hniav. Thaum cov hniav puas lawm thiab tsis yooj yim los kho los ntawm kev sau, cov yas yas tuaj yeem ua los ntawm cov ntaub ntawv sib txawv thiab muab tso rau ntawm qhov txo qis ntawm cov yas yas.
Kev kho vaj tse tsuas yog txhais tau tias muab lub kaus mom rau ntawm koj cov hniav nrog cov xim tib yam li koj cov hniav, uas yog, muab lub tsho zoo nkauj rau cov hniav tsis zoo. Cov yas no ua lub luag haujlwm tiv thaiv thiab tsis cuam tshuam rau koj lub neej thiab kev ua haujlwm. Hauv paus kwj dej kho cov hniav tsis muaj peev xwm nqus cov as-ham yam tsis muaj kev kho hniav, yog li cov hniav tsis yooj yim thiab tawg yooj yim. Raws li qhov tshwj xeeb ntawm kev puas tsuaj, qee cov hniav yuav tsum tau ntim nrog cov yas, thiab qee qhov tsuas yog xav tau cov yas. Filling cov hniav tsis txaus, thiab cov hniav yog yooj yim tawg.
