Qhov tseeb, tsis muaj qhov zoo lossis qhov phem raucov khoom ntim. Cov khoom sib txawv xaiv cov khoom ntim cov ntaub ntawv raws li ntau yam xws li hom thiab tus nqi. Thawj qhov uas yuav tsum xav txog yog tias tsuas yog tsim nyog yog qhov pib ntawm txhua qhov kev xaiv. Yog li yuav ua li cas txiav txim siab zoo dua seb puas yuav tsum muaj lub raj mis yas lossis lub khob iav raws li cov khoom lag luam tam sim no, tom qab ntawd qhia qee qhov sib txawv thiab lawv qhov zoo thiab qhov tsis zoo hauv qab no.
1. Lub raj mis yas:
Qhov zoo ntawm lub raj mis yas:
Piv nrog iav cov khoom lag luam, hwj yas tau qis dua ntom ntom ntom ntom, lub teeb yuag, kho tau pob tshab, thiab tsis yooj yim tawg; Lub raj mis yas muaj kev tiv thaiv corrosion zoo dua, acid thiab alkali tsis kam, thiab cuam tshuam tsis kam, thiab muaj zog dua txhua yam thiab yooj yim rau cov duab, txo qis ntau lawm. Cov khoom yas yog cov xim yooj yim, thiab xim tuaj yeem hloov kho raws li kev xav tau, uas yooj yim dua rau kev ntim cov qauv tsim. Qhov tseem ceeb tshaj plaws yog tias tus nqi ntawm lub raj mis yas yog tus nqi qis dua li cov iav fwj.
Qhov tsis zoo ntawmyaslub raj mis:
Qhov tsis zoo ntawm lub raj mis yas kuj pom tseeb. Tib neeg thawj qhov kev xav yog tias lawv tsis yog ib puag ncig zoo. Tag nrho cov tsos yog pheej yig.
2. iav lub raj mis:
Qhov zoo ntawmiav fwj:
1. Cov iav muaj pes tsawg leeg yog qhov ruaj khov, thiab nws tsis yooj yim los tsim cov tshuaj tiv thaiv nrog cov khoom tu tawv nqaij. Nyob rau hauv layman cov ntsiab lus, cov khoom tu tawv nqaij tau ntim rau hauv iav fwj, uas tsis yooj yim rau deteriorate.
2. Cov iav fwj muaj lub siab zoo. Cov tub lag luam muag cov khoom tu tawv nqaij feem ntau ua lag luam ob lub tswv yim, tsos + nyhuv. Pob tshab iav fwj feem ntau qhia qhov kev xav siab kawg rau cov neeg siv khoom, thiab qee qhov pob tshab lossis xim muaj puv. Skincare saib zoo heev
3. Cov fwj iav yog qhov yooj yim dua thiab zoo dua li lub raj mis yas kom tsis muaj menyuam. Txoj kev yooj yim tshaj plaws thiab meej tshaj plaws los ua kom tsis muaj menyuam lub raj mis yas thiab cov khoom ntim khoom yog ntxuav lawv nrog dej thiab tom qab ntawd ci rau qhov kub thiab txias. Tsis muaj teeb meem nrog kev ntxuav thiab ci cov iav fwj, vim iav tiv taus qhov kub thiab txias.
Disadvantages ntawm iav fwj:
Cov khoom siv iav yog kim dua li cov khoom siv yas, yog li tus nqi ntawm kev siv iav fwj los khaws cov khoom siv tawv nqaij yog qhov siab. Cov iav fwj yog ib qho yooj yim rau kev tawg, thiab tag nrho cov khoom tu tawv nqaij sab hauv yuav raug muab pov tseg, uas yooj yim heev rau pov tseg. Cov iav fwj muaj qhov ruaj khov, ntim loj thiab hnyav, tsis yooj yim rau nqa thaum tawm mus.
Post lub sij hawm: May-11-2023