Khoom kho hluav taws xob nyiaj txiag hloov tshuab kev ua pauv, pwm thiab kev ua haujlwm, kom ua tiav tus txiv neej-tshuab hom sab nrauv. Rau kev ua haujlwm ntau lawm, nws yog ua tau pib nrog cov kev hloov ntawm qhov kev ua haujlwm thiab cov pwm tuaj mus rau kev sib tsoo thiab kev siv tsheb. Piv txwv, kev siv cov cuab yeej siv, chaw nres tsheb ntau thiab cov cuab yeej siv, kev siv ntau lub tswv yim thiab kev kho kom haum rau cov khoom siv, kev siv hom nruam, hom kev lag luam, xws li kev sib koom ua ke. Tag nrho cov no tsis tuaj yeem tsuas yog xyuas kom muaj kev ruaj ntseg ntawm kev lag luam stamping, tab sis kuj zoo heev ua rau cov khoom ua tau zoo dua.
Hloov cov khoom siv thwj cim los txhim kho kom muaj kev nyab xeeb thiab muaj kev ntseeg siab. Tam sim no, muaj ntau yam kev nyab xeeb hauv kev tswj hwm thiab hluav taws xob tswj kev kaw lus ntawm ntau lub cuab yeej laus cov khoom ntaus khoom. Cov khw muag khoom cov khoom lag luam yuav tsum tsim cov khoom tsim kom muaj kev ruaj ntseg thiab kev cia siab rau cov khoom siv thwj rau khoom.
Nres tiv thaiv. Cov Ntaub Ntawv Ruaj Ntseg Txhaum ntawm lub me me, qhov kev tiv thaiv kev tiv thaiv kev nyab xeeb yuav tsum muab ntsia kom tsis txhob muaj kev cuam tshuam los ntawm kev ua hauj lwm uas tsis ua hauj lwm hauv kev thim nyiaj uas tsis muaj kev cuam tshuam los sis tsis muaj kev ruaj ntseg cov cuab yeej siv tau. Ntau qhov kev tiv thaiv tau lawv tus kheej yam ntxwv thiab kev siv. Kev siv tsis zoo yuav tseem ua rau raug mob. Yog li, nws yog ib qhov tsim nyog yuav tau qhia meej txog lub luag haujlwm ntawm ntau yam khoom siv tiv thaiv kom ua tau raws li siv thiab siv txoj kev nyab xeeb ua haujlwm.
Cov khoom siv hluav taws xob siv hluav taws xob siv dav dav hauv txhua qhov chaw hauv peb lub neej, nrog rau cov khoom siv hluav taws xob, khoom siv hauv vaj hauv tsev thiab lwm yam. Kho vajtse stamping yog ib feem uas ua tau los ntawm kev xuas tes xuas, pauv, ncab, thiab lwm yam. Ib qho kev txhais dav dav yog qhov uas tsis hloov hauv cov sijhawm ua haujlwm. Nws yuav pab txhim kho cov khoom siv hlau, txo cov ntau yam thiab cov ntawv qhia ntawm cov ntaub ntawv, thiab txo cov khoom siv. Tshaj li tau, cov ntaub ntawv pheej yig yog siv los ua qoob-dawb thiab tsawg li tsawg tau.