1. Tsis txhob so
Cov neeg feem ntau nyiam kom tsau cov tableware ua ntej ntxuav nws, tab sis cov khoom ntoo yuav tsum tsis txhob tso rau hauv lub dab dej. Siv cov siv yuav tsum tau muab ntxuav thiab ziab tam sim ntawd los tiv thaiv ya raws tshuaj pleev ib ce.
2. Tsis txhob siv tshuab ntxuav tais diav thiab tshuab ziab khaub ncaws
Ntoo cov khoom noj tsis tau muab tso rau hauv cov tshuab ntxuav tais diav thiab tshuab ziab khaub ncaws. Qhov loj npaum li cas ntawm cov dej noo hauv lub tshuab ntxuav tais diav thiab cov cua sov hauv lub tshuab ziab khaub ncaws yuav ua rau nws muaj feem ntau ua kom puab thiab deform, ua kom luv nws lub neej.
3. Tsis txhob siv cov khoom ntxuav thiab hlau txhuam
Ntoo ntoo tsis tuaj yeem txhuam nrog cov pob tu thiab hlau txhuam. Cov cuab yeej siv tau zoo heev yuav ua rau cov xim txheej rau saum npoo ntawm lub tableware, thiab nws kuj yooj yim rau kos cov ntawv, tsim kom nws yooj yim rau cov av.
4. Nws yog ib qho tseem ceeb heev rau khw ntoo rooj
Ntoo rooj tsis tuaj yeem muab tso rau hauv cov chaw uas muaj noo noo xws li tus kais dej xws li cov kais dej, ncu, thiab microwaves kom tsis txhob muaj pwm; Nws tsis tuaj yeem raug lub hnub, txwv tsis pub nws yuav ua rau muaj kev tawm tsam thiab tawg. Tom qab tu txhua hnub, khaws nws rau hauv ib puag ncig qhuav thiab cua.
