Raws li cov khoom siv dej cawv ua ntau dua thiab muaj ntau ntau, iav caw muaj kua tsib ua ntau dua los ua ntau dua. Vim tias lawv cov tsos zoo nkauj, qee cov tshuaj pleev xim yog cov muaj txiaj ntsig zoo, thiab feem ntau yog los ntawm qee cov phooj ywg ua cov khoom zoo rau kev sau thiab saib. Yog li, yuav ua li cas kom huv thiab tswj cov khob caw iav iav ua khoom li cas?
Cia peb ua tibzoo saib txoj kev tu thiab saib xyuas cov iav caw iav
1. Tsis txhob sib tsoo nrog cov iav saum npoo uas muaj lub zog ntawm lub sijhawm zoo tib yam. Txhawm rau tiv thaiv cov iav saum npoo ntawm khawb, nws yog qhov zoo tshaj plaws los npog nws nrog cov ntaub pua rooj. Thaum muab cov khoom ntim tso rau ntawm cov khoom iav, kov lawv nrog saib xyuas thiab zam kev sib tsoo.
2. Rau kev tu txhua hnub, tsuas yog so nws nrog phuam ntub lossis ntawv xov xwm. Yog tias nws yog stained, nws tuaj yeem yog wiped tawm nrog phuam da dej hauv npias lossis sov vinegar. Ib qho ntxiv, koj kuj tseem tuaj yeem siv lub iav ntxuav tus neeg sawv cev tam sim no ntawm kev ua lag luam. Zam kev siv kua qaub thiab alkali. Muaj zog tov tshuaj ntxuav. Nyob rau lub caij ntuj no, qhov saum npoo ntawm lub khob yog ib qho yooj yim rau te, thiab nws tuaj yeem so nrog daim ntaub dhuav hauv dej ntsev lossis cov kua txiv dawb, thiab cov nyhuv yog qhov zoo heev.
Lub Sijhawm Post: Lub Tsib Hlis-31-2022