Tam sim no cov pa phem ntau dua thiab hnyav dua, ntau tus neeg siv yuav hnav lub qhov ncauj qhov ntswg, qhov ncauj qhov ntswg pov tseg yog cov neeg siv khoom siv ntau tshaj plaws hauv khw.
1. Lub teeb kev ntxhib los mos
Cov qhov ncauj qhov ntswg pov tseg siv los ua cov ntaub ntawv kuj tseem zoo, yog li kev siv cov npog ntsej muag cov phooj ywg tuaj yeem ncaj qha hnov cov khoom zoo nkauj ntawm lub teeb thiab muag muag, hnav ntawm lub ntsej muag yuav tsis muaj khawb, kev ntxhib los mos cia rau feem coob ntawm cov neeg siv khoom. txaus siab txuas ntxiv hnav cov qhov ncauj qhov ntswg.Lub caij no, daim tawv nqaij ntawm lub ntsej muag tiv thaiv zoo thaum hnav daim npog qhov ncauj pov tseg.
2. Qhov cua zoo dua
Cov qhov ncauj qhov ntswg pov tseg vim tias siv cov khoom siv nrog permeability zoo dua, yog li kev tsim cov nyhuv hnav kuj muaj qhov zoo dua permeability.Qee lub qhov ncauj qhov ntswg ntau dua yuav cuam tshuam rau tib neeg kev ua pa rau qee qhov, tom qab hnav tib neeg ua pa feem ntau nyuaj dua.Thiab cov khoom siv ntawm lub npog ntsej muag pov tseg yog tsim nyog, tib neeg yuav tsis muaj kev ua pa nyuaj tom qab hnav qhov tshwm sim, muaj kev siv zoo dua ntawm kev xav.
Post lub sij hawm: May-14-2020