Kraft sawv ntsug hnab - Tsis muaj tshuaj lom, tsis muaj ntxhiab, tsis muaj kuab lom thiab muaj kev tiv thaiv ib puag ncig qis, ua raws li cov qauv kev tiv thaiv ib puag ncig hauv tebchaws; Vim nws lub zog siab thiab kev ua haujlwm zoo hauv eco-phooj ywg, kraft ntawv hnab yog ib qho ntawm cov khoom ntim khoom siv ntau tshaj plaws hauv kev lag luam thoob ntiaj teb.
Qhov nokraft ntawv sawv ntsug hnab tuaj yeem ua kev cai tsim los ntawm ib txheej mus txog rau 6 txheej ntawm daim ntawv thiab zaj duab xis, luam ntawv thiab hnab ntim khoom tiav hauv ib txheej txheem. Tsim nyob rau hauv ib puag ncig tsis muaj plua plav, thiab tsis muaj benzene& ketone-dawb inks yog siv rau kev cai luam ntawv nrog peb cov kws luam ntawv tshuab, xa cov ntaub ntawv luam tawm raug thiab muab koj cov khoom zoo tshaj plaws.