Tej qhov yuam kev no yuav cuam tshuam rau kev siv tom ntej no thiab hais tias, lawv yuav tsum ua tib zoo siv thev naus laus zis, nws yuav tsum tau ua tib zoo ua haujlwm, nws tseem yuav muaj kev cuam tshuam los ntawm tib neeg yam los yog kev ua cov khoom siv. Tsis muaj qee yam tsis xws luag, qee zaum muaj kev cuam tshuam nrog cov kev ua haujlwm tsis zoo, ua rau muaj kev cuam tshuam zoo, ua rau muaj kev cuam tshuam zoo, ua rau muaj kev cuam tshuam zoo, ua rau muaj kev cuam tshuam los ntawm cov tsis xws luag Cov khoom . Dab tsi yog qhov tsis xws luag ntawm stamping seem? Cia peb pib nkag siab nws tam sim no .
Muaj 11 yam tsis xws luag: cov kab nrib pleb, kev tsis sib xws, cov plaub hau, tsis muaj cov khoom siv, ntim me me, ntim thiab tawg}
Cov no yog cov khoom lag luam tsis xws luag thiab cov khoom siv tsis xws luag, peb yuav tsum ua cov khoom lag luam zoo nkauj Qhov tseem ceeb ua ntej rau kev txiav txim siab lag luam wholesale .
