Tus Qauv Ntawm Kev Kho Hniav

Plaub lub neej loj qauv ua rau lub ntsej muag sab sauv thiab qis ntawm tus menyuam yug tshiab, hnub nyoog 5 xyoos, 9 xyoos, thiab neeg laus. Cov hauv paus hniav ntawm cov hniav ib ntus thiab thawj cov hniav tau qhia meej meej. Cov qauv no ruaj khov kho rau ntawm cov zaub muag zaub purpises