Nrog rau txoj kev loj hlob ntawm kev tshawb fawb thiab thev naus laus zis, ntau yam khoom siv tshiab thiab cov khoom lag luam tuaj rau hauv kev ua lag luam.NDC, ua raws li kev xav tau ntawm kev lag luam, koom tes nrog cov kws kho mob thiab tsim ntau yam khoom tshwj xeeb rau kev lag luam kho mob.Tshwj xeeb tshaj yog nyob rau lub sijhawm tseem ceeb thaum CO ...
Nyeem ntxiv 
