Nrog rau kev txhim kho kev ua lag luam, cov ntawv lag luam ib puag ncig ntawv ua ntau dua, thiab cov ntawv lag luam ua cov khoom lag luam yog tshaj tawm nrog rau kev tsim cov nkauj nrov. Nws muaj qhov zoo ntawm kev tiv thaiv ib puag ncig ntsuab, yooj yim thauj thiab sib sau ua ke, thiab tuaj yeem siv rau hauv qhov chaw ua lag luam los tso saib, xa cov ntaub ntawv thiab txhawb cov khoom muag.
Kev siv cov ntawv lag luam ib puag ncig ntawv thiab ntawv teeb sawv duab nyob hauv Tebchaws Europe thiab Tebchaws Asmeskas. Cov ntawv luam tawm cov ntawv ntim khoom zoo nkauj thiab cov ntawv zaub sawv tau nrov rau txawv teb chaws, thiab tau siv dav hauv khoom noj khoom haus, tshuaj pleev ib ce, khoom siv hauv tsev, khoom siv hluav taws xob, thiab khaub ncaws hnav. Ntau lub tuam txhab ntim khoom nyob hauv Europe thiab Tebchaws Asmeskas kuj pom zoo.
Txawm li cas los xij, cov ntawv txee rau ntawv thiab cov ntawv teeb rooj muag zaub tau nrov hauv Tebchaws Europe thiab Tebchaws Asmeskas, tab sis lawv tseem nyob hauv lawv lub neej thaum ntxov nyob hauv Suav teb. Thawj lub teb chaws pib tsim cov ntawv lag luam thiab cov ntawv ua cov ntawv tshaj tawm cov tub luam yog kwv yees li 2000 xyoo, thiab tom qab ntawv cov ntaub ntawv hauv cov cheeb tsam tsim dua hauv Guangdong tau tsim thiab tsim los ntawm tsuas yog peb daim ntawv lag luam cov khoom lag luam (ntawv tso saib). Nws tau tsim kho sai sai nyob rau hauv xyoo tas los, feem ntau yog hauv Beijing / Shanghai / Guangdong; qhov uas tau txais ntawm daim ntawv thov muaj ntau dua thiab dav dua. Tam sim no qee lub npe lag luam tau muab cov khoom lag luam nce qib dav dav hauv cov ntawv lag luam, ntawv tso saib cov ntawv sau), txawm hais tias nws yog cov khoom lag luam tshiab lossis kev txhawb nqa hnub so, tau ua tiav cov txiaj ntsig zoo, txhim kho hom duab hauv khw muag khoom, tsim kom muaj hnub so, txhim kho kev muag khoom yog heev pab tau.
Lub txee ntawv (daim ntawv tso saib) tuaj yeem txhawb qib theem kev lag luam thiab kev lag luam muaj peev xwm ntawm cov lag luam. Hauv Tebchaws Europe thiab Tebchaws Asmeskas, cov ntawv txee, ntawv zaub sawv) yog cov khoom lag luam muaj txiaj ntsig uas siv los ntawm cov neeg siv thiab cov tsim khoom.