Niaj hnub no, cov qauv rau daim ntawv tso quav tso hauv peb lub teb chaws tau maj mam txhim kho. Thaum xaiv daim ntawv tso quav tso quav, yuav tsum tau saib xyuas. Feem ntau, cov ntaub ntawv ntim sab nrauv yuav raug luam tawm nrog cov ntaub ntawv hais txog cov chaw tsim khoom ntawm cov ntawv tso quav tso quav thiab cov batch naj npawb ntawm cov ntawv tso zis tso quav. Kev taw qhia txog kev lag luam wholesale cov ntaub ntawv tso zis tso quav: Yog tias lub ntim ntawm cov ntawv tso quav tsis muaj cov ntaub ntawv no, nws raug nquahu kom tsis txhob yuav cov ntawv tso quav tso quav kom tsis txhob muaj lub cev puas tsuaj los ntawm cov ntawv tso quav tsis tsim nyog.
Yog tias xaiv cov ntawv tso quav tso quav, tsis txhob xaiv ntau dhau thiab muab tso rau hauv qhov chaw kaw kom tsis txhob muaj plua plav los ntawm cov ntawv tso quav tso quav thiab ua rau cov kab mob sib kis, uas tuaj yeem ua rau tib neeg lub cev puas tsuaj. Kev xaiv cov ntawv tso zis tso quav tuaj yeem yog qhov teeb meem mus sij hawm ntev, thiab peb yuav tsum tau ceev faj kom tsis txhob muaj kev txhawj xeeb, vim nws cuam tshuam ncaj qha rau peb qhov kev txaus siab tam sim ntawd.
Tag nrho cov txheej txheem ntawm kev tsim cov ntaub so ntswg ua tiav ntawm qhov kub thiab txias. Yog tias lub ntim tsis tau raws sijhawm, tsis tiav, lossis khaws cia tsis raug, nws tuaj yeem ua rau cov ntaub ntawv ya raws thiab muaj kuab paug. Yog li thaum xaiv, nws yog ib qho tsim nyog yuav tsum xaiv cov khoom uas tau ntim zoo thiab muaj hnub tsim khoom ze dua. Ib txhia ntawm lawv xav tias thicker rau qhov kov, thiab hom ntawv no muaj qib qis dua.