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 uas xav paub ntau ntxiv txog peb cov khoom tshiab edys ice cream khob lossis peb lub tuam txhab, tsuas yog tiv tauj peb.
Schatten, tus thawj tswj hwm ntawm New England East daim ntawv ntawm Stamford, hais tias kev tiv thaiv ib puag ncig tsis raug. \"Muaj ntau lub khob kas fes yog yas coated thiab lawv tsis yog biodegradable li yas,\" nws hais. Schatten hais tias. Nws kuj tau hais tias tsis muaj laj thawj hloov mus rau daim ntawv vim tias cov yas rov ua dua tshiab tau ua tau thiab nws tau hais txog kev lag luam yas rov ua dua tshiab hauv New York thiab Massachusetts ua pov thawj. Mr.