Qhov tseeb, ua ntej - lim rau cov kais dej tsis yog qhov nyuaj, yog li muaj ntau yam muaj nyob hauv khw. Txawm li cas los xij, cov ntsiab lus tseem ceeb ntawm lub lim dej ua ntej - yog cov ntxaij lim dej, uas cuam tshuam ncaj qha rau kev ua haujlwm pom. Yog li ntawd, nws yog ib qho tseem ceeb uas yuav tau xyuam xim rau cov txheej txheem xaiv thaum xaiv lub lim ua ntej -. Nov yog qee cov lus qhia:
①: Xaiv lub lim ua ntej - nrog cov dej ntws tsis siv neeg thiab rov siv tau cov xov xwm lim dej, tsis siv pov tseg. Hauv lwm lo lus, thaum yuav lub lim ua ntej -, zam cov uas yuav tsum tau hloov lim. Hloov cov lim tawm yog qhov teeb meem heev, thiab koj yuav tsis xav tau nws tom qab ob peb xyoos. Ib qho dej ntws tsis siv neeg ua haujlwm zoo dua. Qhov tseem ceeb yog saib xyuas seb qhov dej ntws tawm puas yog qhov zoo thiab yooj yim. Qhov no tiv thaiv cov pa phem thib ob los ntawm qhov ua ntej - lim.
②: Thaum yuav khoom ua ntej - lim, xav txog nws qhov kev pom tseeb. Tam sim no, ua ntej- cov lim dej muaj ntau dua qhov pom tseeb, muaj peev xwm lim tawm txawm tias me me thiab yaug kom huv si. Txawm li cas los xij, nws yog ib qho tseem ceeb kom nkag siab tias ua ntej - cov lim dej tsuas yog ua qhov pom ua ntej thiab tsis tuaj yeem ua tiav kev kho dej kom zoo. Yog li ntawd, peb tsuas yog yuav tsum xaiv ib qho uas tsim nyog ua tiav; tsis tas yuav xaiv ib qho uas tsis tshua muaj siab precision, raws li qhov yuav ua rau khib nyiab ntawm lim cartridges.
③: Thaum yuav khoom ua ntej - lim, peb kuj yuav tsum xav txog tus nqi. Yog tias koj saib ntawm lub khw, koj yuav pom tias ua ntej- cov lim dej muaj txij li kaum tawm yuan mus rau pua pua, thiab txawm ntau txhiab yuan. Qhov no feem ntau yog nyob ntawm hom, qhov zoo, thiab kev ua haujlwm ntawm lub pre- lim, thiab lwm yam. Tus kheej, kuv xav tias ua ntej - lim raug nqi kaum tawm yuan yog qhov tsis siv tau; Feem ntau, koj yuav tsum xaiv ib tus nqi ntau pua yuan, thiab qhov zoo dua tuaj yeem raug nqi ntau txhiab yuan. Nws raug nquahu kom sib piv cov nqi ua ntej kev yuav khoom.
