1. Thaum siv, ntxiv dej kub (dej dej khov) ua ntej rau preheat los yog precool, thiab cov cua sov preservation nyhuv yog zoo dua.
2. Lub qhov ncauj ntawm lub raj mis yog li 3.5cm dav, yog li cov khoom noj xws li cov dej khov nab kuab tau yooj yim muab tso rau hauv, thiab nws yooj yim thiab yooj yim los ntxuav lub tank sab hauv.
3. Sling tsim, yooj yim nqa. (sling style)
Kev tu siab
1. Thaum tsis siv sijhawm ntev, khaws lub khob thermos kom qhuav.
2. Txhawm rau tiv thaiv tsis hnov tsw thiab stains, thov ntxuav thiab qhuav tom qab siv.
3. Txij li cov pob liab liab zoo li xeb yuav raug tso tseg tom qab siv dej tsis huv, nws tuaj yeem tsau hauv dej sov thiab diluted vinegar rau 30 feeb, thiab tom qab ntawd ntxuav.
4. Thov siv cov ntaub mos mos dipped nyob rau hauv ib tug nruab nrab detergent thiab ib tug damp daim txhuam cev los so lub nto ntawm cov khoom, thiab cov khoom yuav tsum tau ntxuav tom qab siv txhua zaus.
