Xov Hom:
NPT PT BSPP BSTP
T yog zoo li tus dig muag phaj nyob rau hauv daim ntawv, tab sis tus dig muag phaj tuaj yeem txav thiab tshem tawm, thaum lub raj hluav taws xob tsis tuaj yeem tshem tawm.
Kev siv ntawm forged kawg cov ntaub yas hluav taws xob muaj nyob rau ntau yam kev lag luam xws li cov roj thiab roj kev lag luam, cov khoom lag luam lim dej.
