Nruab Nrab Sealing Hnab
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Nruab Nrab Sealing Hnab Siv Rau Hau Ntim
Nruab Nrab Sealing Hnab, tseem hu ua lub hnab ntim khoom qab zib, yog cov lus tshwj xeeb hauv kev lag luam ntim khoom. Hauv ntej, nws yog lub hnab ntim khoom nrog cov npoo ntim rau sab nraum qab ntawm lub hnab. Daim ntawv thov ntau ntawm nram qab sealing hnab yog dav heev. Feem ntau, khaub noom, bagged tam sim no thiab cov hnab khoom noj siv mis tau siv cov hnab ntim khoom noj khoom haus, thiab tseem siv tau rau cov tshuaj pleev ib lub hnab ntim khoom noj thiab khoom siv kho mob.