Zhiben muab kev daws teeb meem ib-nres pob, los ntawm cov khoom lag luam lub tswv yim, ntim tsim, tsav khiav thiab ntau lawm.
Peb lub hnab ntim khoom hauv eco, xws li peb lub thawv khoom plig yog nplua nuj nyob rau hauv kev ntxhib los mos tom qab cov txheej txheem ntub dej tshwj xeeb.Lawv muaj cov duab sib txawv ntawm cov xim xaiv.Lawv tuaj yeem raug kho raws li tus neeg siv khoom tus kheej tsim.Lawv cov kab du, ci ntsa iab, kev ntxhib los mos zoo nkauj thiab zoo nkauj qhia tau tias muaj kev sib xyaw ua ke zoo tshaj plaws ntawm cov khoom lag luam thiab kev zoo nkauj.Tsis tas li ntawd xwb, peb kuj yog ib tug ruaj khov tiv thaiv ib puag ncig tiv thaiv.Cov ntim khoom no siv cov nroj tsuag ntuj fibers ua raw khoom, xws li xyoob, reed, qab zib thiab cov nyiam.Cov no yog Ameslikas muaj cov khoom siv txuas ntxiv dua tshiab hauv qhov xwm txheej, thiab kev tsim kho sai sai, yog li lawv yuav tsis ua puas rau ib puag ncig thiab ua rau muaj teeb meem ib puag ncig xws li av yaig.Zhiben's fiber ntim kuj tuaj yeem degraded ib txwm muaj tom qab muab pov tseg thiab yuav tsis ua paug av lossis dej hiav txwv.
Cov txheej txheem ntawm cov khoom lag luam molded yog qhov tsis muaj kuab paug thiab ua tau raws li qhov yuav tsum tau ua ntawm cov khoom siv huv.Tsis tas li ntawd, tag nrho cov txheej txheem hauv kev tsim khoom, tshwj tsis yog rau kev tswj hwm tus kheej uas xav tau cov kws tshaj lij, xav tau tsuas yog cov neeg ua haujlwm txawj ntse uas tuaj yeem ua tau zoo tom qab lub sijhawm luv luv ntawm kev cob qhia, uas yog qhov zoo rau cov neeg nyiam thiab kev txhawb nqa ntawm cov khoom.Dab tsi ntxiv, nws yog lub sijhawm zoo rau cov khoom lag luam los ua nws qhov zoo ntawm kev tiv thaiv ib puag ncig.