Yuav ua li cas xaiv lub ntsej muag zoo lub ntsej muag ua tshuab?
Qhov ncauj qhov ntswg muaj qee qhov kev lim dej rau cov huab cua nkag mus rau lub ntsws. Thaum muaj mob ua pa yog huab cua, hnav cov pa ntsej muag muaj qhov cuam tshuam zoo heev thaum ua haujlwm hauv thaj chaw muaj kuab paug xws li hmoov av. Raws li qhov cuam tshuam ntawm smog nce, kev ua lag luam xav tau lub qhov ncauj qhov ntswg tseem nce.
Ntawm tam sim no, Tuam Tshoj muaj ntau ntawm cov cim kev lag luam hom thiab ob peb daim npog cim npe nrov npe hom phiaj. Cov tuam txhab lag luam muaj cov lag luam feem ntau, thiab peb lub tuam txhab sab saum toj muaj tsawg dua 20%
Yog li, cov neeg muag khoom xaiv qhov npog ntsej muag zoo tiaj tus ua si?
Lub tshuab no yog ib qho npog thib peb lub npog me me raug tshuab nrog lub tshuab lim. Cov khoom siv rawing pub rau cov khoom tiav yog ib txoj haujlwm ib-kab; Lub peev xwm ntau lawm yog {2}} daim ib feeb; Lub cutter log thiab vuam lub log tuaj yeem hloov tau yooj yim rau ntau lawm peb lub qhov ncauj qhov ntswg ntawm cov sib txawv thiab cov qauv sib txawv. Tus tsim daim npog ntsej muag npog ntsej muag yog cov ntaub ntawv tsis zoo, ua rau cov neeg hnav khaub ncaws lub pob ntseg zoo nkauj thiab siab-dawb. Lub npog npog daim ntaub yog cov nyhuv zoo siv thiab tuaj yeem siv rau kev lag luam zoo heev.
1.Materials yuav siv rau kev tsim cov qhov ncauj qhov ntswg hauv cov kab ntau lawm ntawm cov ntaub qhwv ntsej muag nyob rau hauv cov ntaub qhwv ntsej muag tag nrho
2.Mask looj li cov kab ntau lawm cov khoom siv hauv cov qhov ncauj qhov ntswg, pob ntseg tsis sib txawv (tseem sib txawv), cov duab paj nruag, ua pa rwb, ua pa.
3. siv cov qhov ncauj ntawm cov ntsej muag npog los ntawm cov npog ntsej muag ua cov ntaub npog ntsej muag yog: ntaub qhwv uas tsis-ntaub, pob ntseg pob ntseg, ua pa li qub;
4. Duckbill Mask ua tshuab ntau lawm cov kab siv hauv cov qhov ncauj qhov ntswg, pob ntseg uas tsis muaj pob ntseg, ua pa li qub.
