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Dov rau Vials thiab Lub raj mis rau Cov Roj Tseem Ceeb
Roll on vials yog cov vials me me uas yooj yim nqa. Lawv feem ntau yog siv los nqa cov roj tseem ceeb, naj hoom lossis lwm yam khoom ua kua. Lawv tuaj nrog pob taub hau, tso cai rau cov neeg siv yob daim ntawv thov cov khoom ncaj qha rau ntawm daim tawv nqaij yam tsis tas yuav tsum tau ntiv tes lossis lwm yam cuab yeej pab. Qhov kev tsim no yog ob qho tib si huv thiab siv tau yooj yim, ua rau yob ntawm vials nrov hauv lub neej txhua hnub.
