Raws li qhov tshwj xeeb ntawm qhov rooj hluav taws, txhua lub qhov rooj hluav taws muaj nws tus kheej daim ntawv lo, uas yog daim npav ID hluav taws xob ntawm lub qhov rooj hluav taws. Cov tuam txhab hluav taws xob hluav taws xob yuav tsum tau muab cov ntawv lo ntawm txhua lub qhov rooj kom tiav thaum cov khoom tawm hauv lub Hoobkas, thiab qee cov neeg siv khoom siv qhov rooj hluav taws tuaj yeem pleev xim lossis muab tshuaj pleev xim rau ntawm lub qhov rooj tom qab.

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