Xov xwm kev lag luam
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"Kev txo cov yas thiab cov yas txwv" pib nrog peb
Niaj hnub no, kev phom sij ntawm cov khib nyiab yas uas nyuaj rau degrade yog dav paub, thiab cov kev txwv txiav yas tau maj mam nce mus rau thoob ntiaj teb.Tab sis nyob rau hauv lub neej tiag tiag, qhov kev siv tsis txaus siab.Ntau lub lag luam tseem tsis quav ntsej txog kev tsim cov khib nyiab yas kom tau nyiaj ...Nyeem ntxiv -
Lub Sijhawm Qhia Qhov Tseeb: Puas yog siv cov khob ntawv pov tseg tuaj yeem ua rau mob qog noj ntshav?
Ua ntej tshaj plaws, cia peb pib nrog cov khoom ntawm lub khob ntawv.Feem ntau siv cov khob ntawv pov tseg yog "paper-yas khob".Sab nraum lub khob ntawv yog ib txheej ntawm cov zaub mov zoo tib yam ntawv thiab sab hauv yog ib txheej ntawm cov ntawv coated.Cov khoom ntawm lub membrane yog cohesive.Tsuav yog...Nyeem ntxiv