Raws li ib qho ntawm cov kws tshaj lij tshaj lij polystyrene tuam ntxhab thiab cov muag khoom hauv Suav teb, peb tau tshwj xeeb los ntawm cov khoom zoo thiab cov kev pabcuam zoo. Thov so assured mus yuav cov khoom pheej yig pheej yig polystyrene hauv Tshuag ntawm no los ntawm peb lub hoobkas. Tiv tauj peb rau kev hais lus.
(0/10)
