Feem ntau cov kev siv cov khoom siv sib xws nyob ntawm cov ntaub ntawv hose lossis daim ntawv thov. Thaum lub sijhawm xaiv cov khoom siv, nws yog qhov tseem ceeb uas yuav tsum xav txog ntau yam xws li tus nqi, cov xwm txheej ib puag ncig, kev ywj pheej, cov xov xwm, thiab cov ntsuas siab xav tau.

Txawm hais tias peb cov kev xaiv ntawm cov khoom siv sib txawv ntau npaum li cas los xij, cov hom khoom siv sib txawv muaj xws liBSP/BSPT, JIS, ORFS, JIC, UNF-UN, NPT, SAE, thiabKev ntsuasseries.

Thov hu rau peb kom paub meej ntxiv txog nws.