Ua ntej, pob zeb txiav tshuab fais fab khiav ib feeb, khiav nrog tuav ntawm tes, txhais tes yuav tsum tsis txhob muaj qhov txawv txav tshee, tshawb xyuas thiab hloov ntawm lub txim taws, nws hloov pauv ntawm lub txim yuav tsum tsis txhob siab tshaj 3/2 qib, feem ntau yog los ntawm inlet ntawm yam mus saib sab hauv, hauv chav hloov pauv sab nrauv yuav tsum tsis muaj qhov tseem ceeb arc teeb. Thaum khiav, yuav tsum tsis muaj suab nrov.
Thib ob, saib lub pob zeb txiav tshuab nameplate thiab eludies phau ntawv, nameplate tsis yuav tsum yog nrog 3C daim ntawv pov thawj ntawm ib qho. Cov chaw nyob tshwj xeeb thiab cov ntaub ntawv tiv toj ntawm cov chaw tsim khoom thiab cov cog khoom tsim khoom yuav tsum muaj nyob ntawm daim ntawv. Lub npe lossis cov ntawv pov thawj ntawm kev ua kom tau zoo yuav tsum muaj cov lej ntim uas siv taug cov khoom lag luam.
Thib peb, kev tshawb xyuas ntawm pob zeb txiav tshuab ntim, ntim sab nraud yuav tsum yog daim duab pom tseeb, tsis muaj kev puas tsuaj, qhib lub thawv los tshawb xyuas cov tsos ntawm lub pob zeb txiav tshuab, yuav tsum yog cov xim tsis sib thooj, yas seem zoo li tsis muaj duab ntxoo thiab dents, yuav tsum tsis txhob muaj khawb lossis khij kab.
