Cov txheej txheem ntau lawm ntawm txhua - hauv - cov tuam ntxhab pov tseg tsuas yog suav nrog cov kauj ruam hauv qab no:
E {- Kev npaj ua kua: nicotine, tsw muaj cov khoom xyaw xyaw ua feem los npaj e- kua.
E -} kua ua kua filling: ncuav tus npaj e {1} kua rau hauv lub raj mis tshwj xeeb lossis lub khob raj mis, thiab tom qab ntawd nws.
Los ua ke: Cov neeg ua haujlwm weld thiab sib sau ua ke nrog cov hluav taws xob cam, roj teeb, thiab lwm yam. Los tsim ua tiav txhua- ib qho pov tseg.
Ntim: Txhua {{- hauv -}}}} {{{2} Cov khoom cuav yog tau kuaj xyuas.
Hauv cov txheej txheem ntau lawm, txhua - in- cov khoom siv pov tseg feem ntau siv cov khoom siv ntau lawm thiab cov khoom lag luam zoo. Nyob rau tib lub sijhawm, txhawm rau kom muaj kev nyab xeeb khoom thiab ua tau zoo, cov tuam ntxhab kuj tseem yuav ua cov kev kuaj xyuas zoo thiab cov ntawv pov thawj.
