Txij li thaum tsim, Uchampak lub hom phiaj los muab cov kev daws teeb meem zoo tshaj plaws rau peb cov neeg siv khoom. Peb tau tsim peb tus kheej R <000000>D chaw tsim khoom thiab tsim khoom. Peb nruj me ntsis ua raws li tus txheej txheem tswj kev ua tau zoo los xyuas kom meej tias peb cov khoom ua tau raws li lossis tshaj peb cov neeg siv khoom xav tau. Tsis tas li ntawd, peb muab kev pab cuam tom qab muag rau cov neeg siv khoom thoob plaws ntiaj teb. Cov neeg siv khoom xav paub ntau ntxiv txog peb cov khoom tshiab pov tseg lub khob kas fes lossis peb lub tuam txhab, tsuas yog tiv tauj peb.
Ntxiv rau qhov yog me ntsis kim dua cov khob yas, tab sis yooj yim rau kev tuav, nws zoo li muaj kev pom zoo ntawm cov khob av nplaum, uas yog qhov tseeb nyiam ntawm cov neeg siv khoom rau cov av nplaum khob tshuaj yej. Indravati Shaw, uas muag tshuaj yej thiab fritters los yog \"telebhaja\" nyob rau hauv lub tsev kawm ntawv Street cheeb tsam, tau pom ib tug ntse nce nyob rau hauv cov tshuaj yej muag txij li thaum nws tig mus rau av nplaum khob.
Cov ntaub ntawv yooj yim no muaj txiaj ntsig zoo thiab tam sim no kuv siv cov khob kas fes tsis txhob muab pov tseg. Yog li koj yeej yuav tsum xav txog qhov no thiab los ntawm txoj kev koj yuav tsum pov npav rau kuv hauv kev sib tw khob kas fes :) Koj xav tau qee cov khoom pheej yig hauv daim ntawv no. -9 lub khob kas fes: pheej yig thiab nrhiav tau yooj yim. -
Qhov tseeb: 2002 Nolan hais tias nws tuaj yeem hloov mus rau cov hnab yas biodegradable ITU daim ntawv tshaj tawm. Cov neeg tuaj yeem pov cov khib nyiab ntau dua thiab xav tias nws tsis zoo thiab lawv lub hnab tso cov tshuaj thaum lub sijhawm decomposition. Qhov tseeb: Cov neeg nyiam hnab yas ntau dhau thiab lawv yuav tsis tso tseg txawm tias lawv them. Nug Ireland tias Ireland tau them se rau lub nra, tsuas yog pom tias muaj ntau lub nra siv dua li yav dhau los, tsuas yog ib feem me me uas tshwm sim hauv khib nyiab.
Txhua yam uas muaj roj lossis khoom noj yuav ua rau cov khoom puas tsuaj kom nws tsis tuaj yeem rov ua dua. Ib txoj kev tshawb fawb txaus nyiam luam tawm kaum xyoo dhau los hauv phau ntawv Journal Science tau ntsuas qhov txheeb ze ib puag ncig kom zoo dua ntawm kev siv khob ntawv ntawm polystyrene ua npuas ncauj khob. Tus sau Martin B. Hawking, tus kws tshaj lij ntawm University of Victoria, Canada, tau ua qhov nws suav tias yog \"kev soj ntsuam tag nrho ntawm tus nqi txheeb ze los ntawm cov peev txheej pib mus rau theem tsim khoom, siv cov cwj pwm, thiab cov kev xaiv rov ua dua kom txog thaum kawg siv lossis pov tseg ntawm qhov project (s).
Yog tias koj tab tom nrhiav ua koj tus kheej lub npe hauv, ces koj tau pom tus neeg muag khoom zoo. yog ib qho ntawm cov chaw tsim khoom hauv Suav teb. Tsim nyob rau hauv lub xyoo, Peb lub xeev-of-kos duab infrastructure yog lub caj qaum ntawm peb lub tuam txhab uas pab peb inefficient ntsuam xyuas ntawm lub peev xwm ntau lawm. Peb tau teeb tsa cov tshuab ua haujlwm siab heev hauv txhua qhov chaw uas pab peb tswj hwm tus nqi siab ntawm ntau lawm. Peb muaj ib pab kws tshaj lij, uas muaj kev paub dhau los hauv cheeb tsam no. Lawv txoj kev paub tau coj peb los cim lub npe zoo hauv kev sib tw ua lag luam no. Kev ua haujlwm raws li qhov tshwj xeeb uas tau teev tseg los ntawm kev lag luam tau tsim txoj hauv kev rau peb mus txog qhov kawg ntawm kev vam meej.