Cov lus ceeb toom kev nyab xeeb!
Cia menyuam nyob deb ntawm cov neeg txias nrog ecen me me ntawm cov kua.
Dej khov qhuav yuav tsum tau daws cov hnab looj tes tiv thaiv kev tiv thaiv kom tsis txhob ua kom khov. Nws yuav khov dua cov ntsiab lus hauv lub txias dua thiab tuaj yeem ua rau txhuas cov kaus poom tawg.
Khaws cov dej khov kom qhuav ntawm cov menyuam yaus.
Qhov cua yog qhov tseem ceeb heev. Nrog qhov cua tsis zoo, cov roj tau emitted los ntawm cov dej khov qhuav tuaj yeem ua rau tsis taus pa thiab poob ntawm kev nco qab. Tsis txhob siv, khw muag khoom lossis thauj dej khov rau cov dej khov xws li cov chav tsis muaj zog, cellars, tsheb, lossis nkoj nqa. Qhov no tuaj yeem ua rau kev txom nyem.
