Thaum nws los txog rau kraft ntawv hnab, feem ntau cov neeg paub txog lawv. Koj tuaj yeem pom nws txhua qhov chaw hauv khw, khw noj mov, khw muag khaub ncaws, khw muag khoom, thiab lwm qhov chaw. Niaj hnub no, kev siv cov hnab ntawv kraft yog dav dua nyob rau txawv teb chaws, thiab feem ntau ntawm lawv lub hnab yuav khoom yog ua los ntawm kraft ntawv hnab. Nws yog ob qho tib si zoo nkauj thiab ib puag ncig tus phooj ywg. Thiab nws tuaj yeem siv tau ntau zaus. Qhov zoo ntawm kraft ntawv hnab kuj tsis paub. Lawv yog cov tsis muaj tshuaj lom, tsis muaj ntxhiab, thiab tsis muaj kuab lom, thiab tam sim no yog ib qho ntawm cov khoom ntim khoom nyiam tshaj plaws. Yog li cas kraft ntawv hnab ua li cas?
1.Me me dawb kraft ntawv hnab. Hom hnab ntawv no feem ntau yog tshuab tsim vim nws muaj ntau yam kev siv, tsis yog pheej yig xwb tab sis kuj siv tau. Qhov kev thov kom muaj nuj nqis kuj yog qhov siab.
2.Medium kraft ntawv hnab. Feem ntau, hom ntawv hnab no yog tsim los ntawm kev sib txuas ntawm lub tshuab thiab manually txuas nrog hlua. Vim muaj kev txwv loj, ntau lub hnab tsis tuaj yeem ua tiav los ntawm cov tshuab ib leeg.
3.Ib lub hnab loj kraft ntawv. Feem ntau, thicker yellow kraft ntawv hnab yog xuas tes ua. Tam sim no, tsis muaj lub tshuab sib txuas los tsim cov hnab ntawv loj, thiab cov nqi tsim khoom ntawm cov hnab ntawv no kuj siab, yog li qhov ntau yuav tsis loj heev.
4.Qhov tseeb, tsis hais lub hnab ntawv kraft, yog tias qhov ntau tsis loj, nws yog txhua yam xuas tes ua. Tsuas yog ib qho loj ntawm cov hnab ntawv yuav raug tsim los ntawm cov tshuab.
