Kev ua cov khoom siv nyiaj stamping yog siv lub zog ntawm cov khoom siv stamping, yog li cov khoom siv hlau los tsim cov khoom siv tawm ntawm cov khoom siv stamping, thiab cov cuab yeej ntau lawm ntawm cov khoom siv, ntau thiab tsawg thiab kev ua haujlwm
Thaum peb yuav pawg txawb rau hauv peb lub neej txhua hnub, peb tuaj yeem thawj zaug saib seb cov tsos puas ntawm lub tshuab sib txawv yog txawv txav, lossis muaj qhov tsis xws luag nyob rau hauv nws cov khoom. Yog tias muaj ib qho, peb yuav tsum tsis txhob yuav cov nyiaj muas ntawd.
Yog tias muaj daim ntaub nyias nyias, koj tuaj yeem npog cov npoo ntawm cov stored nrog cov ntaub pua rooj huv si, tshiav saum npoo hlau nrog lub gauze nrog lub ntsej muag, thiab txhuam tag nrho saum npoo. Yuav cov khoom no.
Lossis peb tuaj yeem siv cov xim pleev xim kev soj ntsuam txoj kev los xyuas cov khoom stamping. Ua ntej tshaj plaws, peb yuav tsum so cov npoo ntawm cov stamped, thiab tom qab ntawd peb tuaj yeem pom cov pits yooj yim uas muaj pits thiab ripples nyob rau saum npoo ntawm cov stamping.
