● Raws li cov khoom siv hluav taws xob hauv zos uas pheej yig tshaj plaws, peb cov cuab yeej siv hluav taws xob sib xyaw ua haujlwm siab, nrog rau ntau yam khoom siv hluav taws xob kho mob, tsom mus daws cov teeb meem qhuav thiab ib puag ncig hauv cheeb tsam nrog kev siv hluav taws xob qis thiab txhim kho ib puag ncig tus phooj ywg.
● Nrog rau ntau tshaj 15 xyoo ntawm kev ua haujlwm hauv kev ziab khaub ncaws, peb tuaj yeem muab kev pabcuam rau koj ib-nres rau kev ua tiav cov kab ntau lawm, suav nrog kev tu cov khoom hauv pem hauv ntej, hloov cov khoom siv, thiab cov khoom ntim rov qab.