1. Kev khaws khoom thiab kev saib xyuas yog qhov pib ua haujlwm ntawm lub txee. Nws yog feem ntau yog khaws cov khoom khaws cia kom tsis txhob poob thiab ua puas.
2. Kho cov peev txheej thauj mus los: Cov chaw khaws khoom muab cov ntaub ntawv rau txhua qhov system thiab kuj tseem yog lub cim tseem ceeb ntawm cov khoom txua qub.
3. Cov ntaub ntawv xa tawm: Cov khoom lag luam niaj hnub tau hloov zuj zus mus rau qhov niaj hnub kev xa tawm cov khoom siv sib xyaw ua ke, kev tsim thiab xa tawm.
4. Tswj cov khoom siv thiab xav tau: Hauv cov txheej txheem ntau lawm thiab muag khoom, ntau los sis tsawg yuam kev raug tsim los vim ntau yam. Cov yam ntxwv ntawm cov khoom tso khoom xav tau los kho lub ntim cia kom ua lub luag haujlwm ntawm kev hloov sijhawm ntawm tus tsiaj.
5.Qhov kev faib tawm thiab kev xa tawm: kev tshawb fawb thiab tsim nyog cov khoom siv txiav txim siab thiab cov khoom siv tswj tsev tuaj yeem ua tau zoo txo tag nrho cov nqi xa khoom thiab cov nqi thauj khoom. Ntau hom kev tsim khoom thiab cov ntawv muag khoom xav tau cov phiaj xwm sib txawv thiab muaj ntau daim ntawv.