Raws li ib qho ntawm cov kev tshaj lij yas qhib kawg zipper tshuab tuam ntxhab thiab cov muag khoom hauv Suav teb rau ntau tshaj 20 xyoo, peb cov khoom muaj lub koob npe nrov hauv kev ua lag luam. Thov koj xav tias dawb mus yuav zoo yas qhib kawg zipper tshuab ua nyob rau hauv Suav teb nov los ntawm peb lub hoobkas. Tiv tauj peb kom paub meej ntxiv.
