Txhua tus neeg siv zog coj daim duab no thiaj li hu tau tias yog tus neeg dhau los. Txhawm rau cov duab kom zoo li tus kws tshaj lij, tus neeg pib thaij duab yuav tsum kawm qee qhov tseeb ntawm qhov muaj tseeb, tua kom raug thiab yees duab ua.
Cas tus saib yuav pom koj daim duab nyob ntawm xaiv yam tsis raug. Ua ntej tshaj plaws, tus pib yees duab yuav tsum tau them sai sai rau qhov muaj pes tsawg leeg teeb tsa. Qhov kev tso kawm ntawm cov ncauj lus hauv tus ncej yog qhov tseem ceeb rau kev txhaj tshuaj zoo. Cov ncauj lus ntawm tus kws yees duab mloog yuav tsum ntse, thiab cov neeg hauv keeb kwm yav dhau los yuav tsum tau plooj. Qhov no tsis yog qhov nyuaj ua, lub ntsiab yog kawm paub cov haujlwm ntawm lub koob yees duab thiab xyaum me ntsis.
Cov teeb pom kev zoo ua lub luag haujlwm tseem ceeb hauv daim duab. Cov ntsiab lus ntawm daim duab yuav tsum tsis txhob ua kom nruj lossis tob hauv duab ntxoo. Piv txwv li, lub hnub ci ntsa iab los ntawm sab yuav ua rau tawg lub thav duab, thiab nrog rau qhov muaj pes tsawg txoj cai, nws yuav ua rau daim duab peb sab thiab qhov tseeb. Flash, ntawm qhov tod tes, tuaj yeem ci ntsa iab rau daim duab ntau dua, thiab tom qab ntawd txhua yam khoom siv yuav zoo li lub tiaj thiab tsis muaj kev xav ua. Txwv tsis pub, lub eeb yuav pab tsim kom muaj daim duab zoo los ntawm ua kom pom kev pom ntau lub duab ntxoov ntxoo.
Kev siv lub tshuab xaj kom kho lub ntsej muag sib txawv ntawm cov ntawv tsis yooj yim, tab sis nws yog ib qho tseem ceeb kom nco ntsoov tias yog tias koj tua cov ntawv ze dua thiab qhib lub kaum sab xis saib, tus ncej yuav tsis yog qhov koj xav tau. Yuav ua li cas koj xaiv qhov focal ntev ntawm koj lub lens yuav cuam tshuam rau cov nyhuv ntawm kev xav. Qhov luv luv ntawm focal ntev thiab dav dua lub kaum sab xis ntawm qhov pom, qhov tshwm sim ntau dua cov nyhuv yuav. Hauv lwm lo lus, cov khoom nyob deb yuav tshwm me dua.
Cov kev txhaj tshuaj ib leeg tuaj yeem ua tau zoo, tab sis tsis tshua muaj siab rau leej twg. Txhawm rau sau tag nrho lawv cov tswv yim, tus pib yees duab tau pom zoo kom tua kev txhaj tshuaj los ntawm cov sib txawv sib txawv thiab nrog cov sib txawv. Cov txheej txheem no muaj qhov cuam tshuam zoo rau cov neeg mloog - lawv pom qee yam ntawm lawv tus kheej. Cov duab ntau yuav tau coj, qhov zoo dua lawv qhov zoo yuav thiab qhov kev xaiv ntawm qhov zoo tshaj plaws ntawm lawv yuav nce.
Kev tsim cov duab thaij duab yuav tsum tau ua ob theem - siv cov koob yees duab thiab khoos phis tawm. Tom qab cov duab tau thaij, nws yog qhov tsim nyog los ua tiav zaum kawg nrog kev pab los ntawm cov khoos phis tawm. Ntawm no koj tuaj yeem teeb pom kev rau lawv, tsaus qhov chaw xav tau, txo lossis ntxiv sib piv.
