Hais txog corrugated cardboard, tsuas yog muaj cov qauv kev sim xwb. Cov ntawv sau npe yuav tsum muaj feem ntau sib tham ntawm tus neeg xa khoom thiab tus yuav. Thov muaj cov khoom lag luam lossis cov tuam txhab cov ntaub ntawv thiab cov lus qhia tshwj xeeb, cov ntaub ntawv tshwj xeeb, cov neeg tsim khoom, yog tias muaj ntau yam, yog tias muaj pes tsawg tus lej, yog cov chaw tsim khoom, quartawm cov cim uas yuav tsum tau los ntawm kev saib xyuas kev saib xyuas kev saib xyuas zoo. Thaum lub sijhawm thauj mus los thiab chaw cia khoom, corrugated cardboard thawv yuav tsum tau tiv thaiv los ntawm nag, hnub ci, noo noo, noo noo, thiab paug. Nco ntsoov tias cov no tau cim kom meej meej. Nco ntsoov cov ntsiab lus yog qhov tseeb.
Ntawm chav kawm, lub hauv paus theem qis yog tias ntim sab hauv yuav tsum sau npe raws li cov kev cai dav dav rau cov zaub mov cov zaub mov ua ntej.
