Raws li lub tswv yim ntawm kev txhim kho kom ruaj khov tau txais txiaj ntsig, kev tiv thaiv ib puag ncig tau dhau los ua ib feem tseem ceeb ntawm cov tswv yim lag luam. Ntau thiab ntau lub tuam txhab pib muab qhov tseem ceeb rau ib puag ncig cov ntaub ntawv hauv kev ntim khoom.

Hauv kev lag luam niaj hnub no, kev ntim khoom tsis yog tsuas yog lub cuab yeej los tiv thaiv cov khoom, tab sis kuj yog qhov tseem ceeb hauv kev xa cov khoom lag luam thiab nyiam cov neeg siv khoom. Ntawm ntau cov ntaub ntawv ntim khoom, kraft daim ntawv lo yog maj mam dhau los ua cov kev xaiv ntawm cov hom loj vim lawv qhov tshwj xeeb zoo nkauj thiab cov khoom zoo ib puag ncig.

Raws li cov ntawv lo tau siv dav hauv ntau qhov kev lag luam, cov tuam txhab xav tau rau cov ntawv lo tseem nce ntxiv. Txawm hais tias nws yog cov kua nplaum siv rau cov ntawv sau, kev xaiv cov khoom siv, lossis cov txheej txheem kho saum npoo, cov tuam txhab cia siab tias cov ntawv tsis yog tsuas yog ua tau raws li lawv cov kev xav tau zoo nkauj xwb, tab sis kuj muaj ntau dua durability thiab functionality.