Cov kab ntawv ntim ntim tuaj yeem faib los ntawm ntau qhov kev xav, feem ntau yog suav nrog cov kev sib koom ua hauv qab no:
Kev faib tawm cov khoom lag luam: suav cov khoom noj txhua hnub, cov zaub mov noj thiab haus dej, tshuaj lom neeg, khoom siv tes, thiab lwm yam.
Kev faib khoom los ntawm cov khoom lag luam: suav nrog kev muag khoom ntim khoom, ntim khoom, ntim khoom tshwj xeeb, thiab lwm yam.
Kev faib tawm cov duab ntim: tuaj yeem faib rau hauv cov ntim sab hauv, ntim nkaus, ntim khoom sab nraud.
Kev faib tawm los ntawm cov khoom ntim khoom: suav nrog ntawv ntim, ntim hlau, ntim, ntim ntim, ntim ntim, ntim khoom, thiab lwm yam.
Kev faib tawm tshuab hluav taws xob: suav nrog cov ntim tsis muaj ntim, ntim ntaub ntim, ntim ntim, nqus ntim, hluav taws xob ntim, thiab lwm yam.
Kev faib tawm los ntawm ntim ua haujlwm: muab faib ua ntim khoom thiab kev lag luam ntim.
Kev faib tawm los ntawm lub luag haujlwm hauv cov txheej txheem ncig tebchaws: suav nrog ntim khoom, ntim sab hauv, ntim sab nraud.
Kev faib khoom lag luam hom: Muaj cov muag khoom ntim khoom: export cov khoom ntim khoom, ntim tshwj xeeb ntim, thiab lwm yam.
Kev faib tawm los ntawm cov naj npawb ntawm lub sijhawm ntim khoom yog siv: Muaj ib lub sijhawm ntim khoom, muaj ntau-siv ntim thiab ntim ntim, thiab lwm yam.
Kev faib tawm los ntawm lub hardness lossis softness ntawm lub ntim ntim: muaj cov ntim tawv, thiab lwm yam ntim, thiab lwm yam ntim ntau ntxiv, thiab lwm yam.
