-
Kev noj qab haus huv ntawm kev txiav board
Raws li tsab ntawv ceeb toom ntawm Lub Koom Haum Saib Xyuas Kev Noj Qab Haus Huv (United Nations Health Organization), cov teeb meem carcinogenic ntawm lub rooj txiav txiav yog cov kab mob ntau yam tshwm sim los ntawm kev ua tsis zoo ntawm cov zaub mov seem, xws li Eschechia coli, Staphylococcus, N.gonorrhoeae thiab lwm yam tshwj xeeb tshaj yog aflatoxin uas suav tias yog cla...Nyeem ntxiv -
Cov khoom siv tshiab - Ntoo fiber ntau txiav board
Ntoo fiber ntau yog ib hom tshiab ntawm cov cellulose fiber ntau, uas tam sim no tau nrov thoob ntiaj teb, tshwj xeeb tshaj yog nyob rau hauv Tebchaws Meskas, Canada thiab Europe.Lub tswv yim ntawm cov ntoo fiber ntau yog cov pa roj carbon tsawg thiab kev tiv thaiv ib puag ncig. Nws yog ntuj, xis, antibacterial, thiab decontamination. Qhov chaw...Nyeem ntxiv