Snap khawm yog dav siv, hauv khaub ncaws, hnab, khau thiab kaus mom, thiab lwm yam.
Raws li cov ntsiab lus ntawm cov khoom, cov nyees khawm tuaj yeem muab faib ua cov khawm hlau, pob khawm (tseem hu ua khawm yas), pob khawm yas.
Lub khawm snap yog tsim los ntawm 4 ntu: A, B, C, D - zoo li daim duab qhia.
Post lub sij hawm: Sep-17-2021