Thaum tib neeg tham txog "dawb paug," feem ntau tam sim ntawd xav txog cov hnab yas. Txawm li cas los xij, cov ntaub ntub dej pov tseg, uas peb siv txhua hnub, kuj ua rau cov pa phem dawb. Cov khoom tseem ceeb ntawm cov ntaub so ntub dej yog tsis yog - ntaub npuag, thiab cov khoom siv raw rau kev ua tsis yog - woven npuag yog PP polypropylene, ib yam khoom yas. Cov yas no- muaj cov ntaub so ntub dej, ib zaug muab pov tseg rau hauv qhov, nyuaj rau degrade thiab ploj mus ntau pua xyoo, ua rau muaj kev hem thawj rau cov av thiab dej ib puag ncig.
Nrog kev nce siab ntawm kev ua niam txiv zoo tshaj plaws ntawm cov tiam tom qab xyoo 90s, cov neeg siv khoom ntub dej ua lag luam tau nthuav dav. Los ntawm kev ntxuav tes mus rau cov tshuaj tua kab mob rau hauv chav dej huv, tiam no ntawm cov neeg siv khoom vam khom cov ntaub so ntub ntau dua li yav dhau los, thiab cov tuam txhab tau pom qhov no.
Raws li cov ntaub ntawv tso tawm los ntawm Tuam Tshoj Tsev Neeg Ntawv Kev Lag Luam Association, los ntawm 2012 txog 2016, kuv lub teb chaws cov ntaub so ntub dej tau nce los ntawm 15.11 billion nplooj ntawv mus rau 39.3 billion nplooj ntawv.
Yog li ntawd, cov tuam txhab ua lag luam yuav tsum muaj kev nkag siab ntau dua ntawm kev lav phib xaub ntawm kev sib raug zoo thiab koom tes nrog cov pa phem los ntawm kev txhawb nqa kev hloov cov yas zoo tib yam hauv ntau qhov chaw nrog eco- cov ntaub ntawv zoo thiab biodegradable.
