Muaj ob qhov chaw tseem ceeb rau kev siv cov yas degradable: ib qho yog thaj chaw uas cov yas zoo tib yam tau siv thaum chiv thawj. Hauv cov teb no, qhov nyuaj ntawm kev sau cov khoom yas tom qab siv lossis siv tau tuaj yeem ua rau muaj kev phom sij rau ib puag ncig, xws li kev ua liaj ua teb mulch thiab cov hnab yas pov tseg, thiab siv cov yas es tsis txhob siv lwm cov ntaub ntawv. Kev siv cov yas degradable nyob rau hauv cov cheeb tsam no tuaj yeem nqa tau yooj yim, xws li cov chav kawm golf thiab cov chaw zov me nyuam cov ntaub ntawv kho rau cov hav zoov hav zoov hav zoov hav zoov. Cov ntawv thov tshwj xeeb suav nrog:
1. Kev ua liaj ua teb, hav zoov thiab nuv ntses, yas zaj duab xis, cov ntaub ntawv khaws cov dej, cov tais diav, cov noob qoob loo, cov hlua nets, tshuaj tua kab, thiab cov ntaub ntawv tso tawm qeeb rau cov chiv ua liaj ua teb.
2. Kev lag luam ntim khoom, lub hnab ntim khoom, hnab khib nyiab, hnab ntim khoom noj, cov thawv ntim khoom noj uas siv tau, instant noodle tais, cushioning ntim khoom
3. Cov khoom siv ua kis las, golf course studs thiab tees
4. Cov khoom siv tu cev, cov poj niam cov khoom tu cev, cov ntaub so ntswg menyuam yaus, cov ntaub so ntswg kho mob, cov hniav uas siv tau pov tseg.
5. Cov ntaub ntawv kho mob, ntaub qhwv, clips, paj rwb swabs, hnab looj tes, tshuaj tso tawm cov ntaub ntawv, nrog rau cov phais phais thiab cov ntaub ntawv kho pob txha
