Cov khoom lag luam
Drawstring cov hnab muaj zog yog hnab nrog cov hnab ntim kev ua rau siv tau yooj yim rau hauv lub hnab ntim khoom hauv tsev txhua hnub, uas yooj yim rau cov khib nyiab thiab khi lub hnab ntim khoom kom tiv thaiv tsw ntxhiab thiab khib nyiab; Hauv Khw Muag Khoom Sib Tw, nws kuj tseem siv tau ua ib lub hnab ua lag luam ib puag ncig los pab cov neeg siv khoom .
Chaw thov
Cov yam ntxwv degradable thiab cov ntsiab cai:
Lub hnab ntim "degradadable" ntawm cov hnab yas uas muaj txiaj ntsig zoo nkauj, roj carbon monoxide {} Cov pa roj carniver fungi, thiab lwm yam.). paab cov pa dej muaj zog ib puag ncig, ua tiav "ib puag ncig ib puag ncig" ib puag ncig ".
Cim npe nrov: Drawstring Hom Discradable Hnab, Tuam Tshoj Drawstring Hom Degradable Hnab Chaw Tsim Tshuaj, Chaw muag khoom, Hoobkas
