Ua haujlwm niaj hnub no thiab cov ntaub ntawv kawm, cov ntawv nyeem waltogoard yog siv hauv kev qhia, cov rooj sib tham thiab lwm cov kev sib tham thiab lwm cov kev sib tham vim tias nws yooj yim.
Txawm li cas los xij, thaum siv, ua raws li kev ceev faj kom raug thiab siv cov qauv tseem ceeb kom ntseeg tau tias nws cov ntawv sau ua tiav thiab txuas ntxiv nws lub neej pabcuam.
Thaum siv daim ntawv luam tawm, ua ntej saib xyuas kom xaiv cov cuab yeej rau sab xis. Tshwj xeeb cov txiv tsawb tshwj xeeb yog qhov kev xaiv zoo tshaj plaws, thiab lawv cov number cas tuaj yeem thov kom tau tusyees rau daim ntawv saum npoo thiab yog yooj yim los so. Tsis txhob siv lwm yam cwj mem kom tsis txhob tawm ntawm cov cim nyuaj-rau-tshem tawm cov cim ntawm daim ntawv saum toj.
Tsis tas li ntawd, nws tseem yog qhov tseem ceeb kom ua rau saum npoo ntawm cov ntawv luam yeeb huv. Ua ntej siv, maj mam so daim ntawv saum npoo av nrog kom ntseeg tau tias nws yog hmoov av dawb thiab stain-dawb. Thaum lub sijhawm sau ntawv, zam kev siv cov khoom ntse lossis ntxhib kom tsis txhob kov cov ntawv saum npoo kom tsis txhob khawb lossis ua kom cov ntawv puas ntsoog.
Hais txog cov qauv kev siv ntawm cov ntawv walkboard, nws cov ntawv sau tag nrho cov kev ua tau zoo ntawm cov ntawv sau-yas cov ntaub ntawv. Qhov no suav nrog cov khoom siv lub cev, tshuaj lom neeg, cov khoom siv mechanies thiab lwm yam kom paub meej thiab ua tau zoo ntawm cov khoom siv. Thaum cov txheej txheem siv, cov tuam ntxhab tsim qauv, ua tus kheej tshuaj xyuas ntawm cov kev txuas rau tus kheej thiab cov khoom lag luam hauv cov teeb meem ntau lawm, thiab cov teeb meem hauv cov teeb meem raug raws sijhawm. Nyob rau tib lub sijhawm, cov chaw xeem thib peb kuj tseem yuav ua tshuaj xyuas raws li cov qauv yuav tsum tau ua kom zoo rau cov neeg siv khoom.
Hauv ntej, cov ntawv zais cia ua si lub luag haujlwm tseem ceeb hauv ntau thaj teb nrog nws cov cim tshwj xeeb. Ua raws li kev ceev faj txog kev siv thiab siv cov qauv uas muaj feem cuam tshuam tsis tau rau peb cov neeg siv kev paub, tab sis kuj tau ntsib cov txiaj ntsig kev cia siab, coj yooj yim dua rau chaw ua haujlwm thiab kev kawm.