Lub rooj sib tham yeej muaj kev ruaj ntseg
Kev ruaj ntseg kev tswj cov rooj sablaj loj, peb pabcuam cov kev ruaj ntseg yog cov kws tshaj lij, muaj kev qhia thiab tshwj xeeb rau koj cov kev xav tau.
Qhov tseem ceeb ntawm kev ruaj ntseg: tag nrho kev ruaj ntseg qhov chaw, tus kheej kev ruaj ntseg ntawm cov neeg tseem ceeb, kev qhia txog kev tiv thaiv hluav taws, kev ruaj ntseg kos kev ruaj ntseg channel, qhov kev txiav txim ntawm lub rooj sib tham.
Kev Pab Teeb Meem: ua kom tiav ntawm lub tuam txhab nyob rau hauv cov ntaub ntawv tiv thaiv, kev tiv thaiv, huab cua tiv thaiv, au defence nyob rau hauv lub txuam nrog kev nplua nuj, siv khoom zoo, militarized kev tswj thiab kev ruaj ntseg tswj kev pab kom cov neeg tuaj yeem ua ib txoj haujlwm zoo ntawm hluav taws kev ruaj ntseg ua hauj lwm, txhim khu neeg duab thiab xyuas kom muaj kev ruaj ntseg ntawm cov khoom lag luam.
