Cov khoom siv uas pab txhawj nqai tshuaj no yog cov khoom tseem ceeb uas pab ua cov khoom plastic zoo dua thiab nyuaj dua. Cov khoom siv no tau sib npaug rau hauv cov khoom plastic kom cov khoom no yuav zoo dua thaum muaj kev puas, kev tshuaj, thiab kev hloov ntawm qhov cua. Piv txwv li, cov khoom plastic uas ua rau lwm tus nyuaj yuav rov tawg thaum muaj kev tshuaj, tab sis thaum muaj cov khoom siv uas pab txhawj nqai tshuaj no, nws yuav tsis tawg thaum tawg los. Maijisen yog ib tug tuam tshoj uas nyob rau hauv kev ua cov khoom siv uas pab txhawj nqai tshuaj zoo heev. Peb lub zog yog pab cov tuam tshoj ua cov khoom zoo dua thiab nyuaj dua kom yuav nyuaj rau kev siv hauv txhua hnub. Thaum siv cov khoom siv no, cov tuam tshoj yuav pab cov neeg siv tau cov khoom plastic uas nyuaj thiab zoo rau kev siv hauv kev nyuaj. Qhov no pab cov neeg siv thiab pab cov tuam tshoj tso cia lub npe zoo.
Cov lus qhia tshaj tawm uas muab rau hauv cov khoom siv plastic yog ua rau cov khoom siv plastic zoo dua li ntau yam. Thaum kawg, nws txuas ntxiv rau qhov kev ua haujlwm ntawm cov khoom siv plastic thaum muaj kev puas tsuaj los sis. Yog tsis muaj nws, cov khoom siv plastic yuav nyuaj thiab tsis tuaj yeem tawg, ces nws yuav tawg tau ntau. Xyuam xim rau lub kab mob plastic nyuaj—yog koj tawg nws, nws yuav tawg tau. Tab sis yog lub kab mob muaj cov lus qhia tshaj tawm uas muab rau hauv, nws yuav muaj kev nyuaj dua thiab yuav muaj kev tswj hwm dua li ntau, ces nws yuav muaj kev nyuaj dua li ntau thiab tsis tawg. Qhov kev nyuaj dua li ntau no yog qhov tseem ceeb rau cov khoom siv hauv lub rooj plaub thiab cov khoom siv rau luv luv.
