Lub tuam txhab siv cov thev naus laus zis tshiab ntawm kev lim kev ua kom muaj zog fermentation uas yog ntsuab, tsis muaj kuab paug thiab tsis muaj tshuaj lom los ntawm cov ntaub ntawv raw, cov txheej txheem ntau lawm kom tiav cov khoom tiav. Nrog kev ntxiv dag zog ntawm kev tiv thaiv ib puag ncig hauv teb chaws, nws yog qhov yuav tsum tau ua kom nrov dua biodegradable plastics sib ntaus tawm tsam cov pa phem dawb. Kev siv dej succinic kua qaub ua los ntawm lub tuam txhab tsuas yog cov khoom siv raw khoom rau kev tsim cov khoom lag luam yas PBS. Nws yog irreplaceable thiab ntawm pawg thawj coj kev cia siab.