2. Cov txheej txheem cua sov:Cov tshuab hluav taws xob ntau hom muaj ob txoj hauv kev: hluav taws xob cua sov thiab roj cua sov.Xaiv cov txheej txheem cua sov kom tsim nyog raws li qhov xwm txheej tiag tiag.
3. Steam tiam ceev:Xav txog kev ua haujlwm ntau lawm, xaiv lub tshuab hluav taws xob nrog lub tshuab hluav taws xob ceev ceev kom luv lub sij hawm rau steaming steamed buns.
4. Kev nyab xeeb kev ua haujlwm:Xyuas kom meej tias lub tshuab hluav taws xob muaj kev nyab xeeb zoo, xws li kev tiv thaiv kev kub hnyiab, kev tiv thaiv dhau-voltage thiab lwm yam haujlwm kom tsis txhob muaj xwm txheej.
5. Kev txuag hluav taws xob thiab kev tiv thaiv ib puag ncig:Xaiv lub tshuab hluav taws xob txuag hluav taws xob thiab ib puag ncig tus phooj ywg lub tshuab hluav taws xob yuav pab txo qis kev siv hluav taws xob thiab txo qhov cuam tshuam rau ib puag ncig.