Qhov sib txawv ntawm cov ntawv dawb kraft thiab zaub mov-qib dawb kraft ntawvchocolate thawv
Kraft daim ntawv tau siv dav hauv ntau yam ntim khoom nojhnub box, tab sis vim hais tias cov ntsiab lus fluorescent ntawm cov ntawv dawb kraft feem ntau yog ob peb zaug siab dua tus qauv, tsuas yog cov zaub mov-qib dawb kraft ntawv tuaj yeem siv rau hauv ntim khoom noj. Yog li ntawd, qhov txawv ntawm ob yog dab tsi?
Distinguishing standard I: whiteness
Tsuas yog me me ntawm cov tshuaj bleach ntxiv rau cov zaub mov qib kraft ntawv. Cov xim dawb yog tsawg thiab cov xim zoo li daj me ntsis. Ordinary dawb nyuj daim ntawv yog ntxiv nrog ib tug lojtus nqintawm bleach thiab muaj ib tug siab whiteness.
Distinguishing standard II: tshauv tswjncuav qab zib box
Cov zaub mov qib ntawv dawb kraft ntawv muaj cov qauv tswj nruj, thiab txhua qhov ntsuas tau muab faib raws li qib zaub mov xav tau. Yog li ntawd, cov hmoov tshauv ntawm cov zaub mov qib dawb kraft ntawv yog tswj nyob rau theem qis heev, thaum cov hmoov tshauv ntawm cov ntawv dawb kraft qib siab yog siab, txhawm rau txo cov nqi.
Distinguishing standard III: test report
Raws li cov kev xav tau ntawm cov khoom ntim khoom noj hauv Suav teb, cov zaub mov-qib dawb kraft ntawv yuav tsum dhau QS tshuaj xyuas, thaum tsis tas yuav muaj qib zoo tib yam.
Txuj kev sib txawv IV: nqe
Txawm hais tias tus nqi tsis txawv heev, nws kuj yog ib qho tseem ceeb siv tus nqi. Cov zaub mov qib dawb kraft ntawv yog kim dua li cov ntawv qib kraft zoo tib yam.
Post lub sij hawm: Mar-06-2023
