Hauv peb lub neej txhua hnub, peb tswj cov luam ntawv ntawm cov hnab pob, tseem hu ua hnab ntim khoom lossis hnab tuj?
Cov xim ntawm tuj hnab yuav tsum yog qhov muaj tiag, ntuj thiab muaj xim. Qhov ntsuas no yuav tsum muaj ob qho: Ua ntej, kev ua haujlwm nrawm rau ntawm cov khoom sib txawv ntawm cov khoom lag luam sib txawv ntawm cov khoom lag luam: (M)) (m))
Cov tsos yuav tsum yog huv thiab dawb ntawm cov av pom tseeb. Thib ob, cov xim yuav tsum yog qhov tseem ceeb. Hais txog cov ntawv nyeem, nws yuav tsum ua kom tiav, meej, thiab raug. Hais txog qhov yuav tsum tau ua rau cov khoom lag luam zoo, rau cov khoom muaj qhov ntev yog tsawg dua 0.5 hli, thiab rau cov khoom lag luam loj me, tsawg dua 1.0 hli.
Ntawm chav kawm, qhov zoo ntawm kev siv lub hnab ntim lub hnab nyob ntawm cov hauv qab no:
Ua ntej, cov neeg ua haujlwm teeb meem: Cov neeg ua haujlwm muaj kev cuam tshuam cov neeg ua haujlwm lub siab thiab kev paub txog kev ua haujlwm.
Thib ob, khoom siv thiab txheej txheem: kev laus ntawm tuj lub hnab khoom, thiab lwm yam teeb meem ua rau muaj ntau yam teeb meem thaum lub hnab ntim khoom lag luam.
Thib peb, qhov zoo ntawm cov ntaub ntawv raw: suav nrog cov kua mis zoo, ntim khoom zoo, lossis lwm yam teeb meem khoom siv nyoos, yuav ua rau cov teeb meem luam tawm.