Hluav Taws Rated Qhov Rooj Core Thiab Qhov Rooj

Lub qhov rooj raj hluav taws kub suav nrog cov tub ntxhais, ib lub vaj huam sib luag zoo nkauj thiab ib lub vaj huam sib luag thib ob. Cov tub rog muaj xws li: (a) tus neeg tua hluav taws uas tsis kam lees cov hluav taws kub ntom ntom dua thawj cov hluav taws yeem cov khoom siv. Lub vaj huam sib luag ua kom zoo nkauj tau txuas rau sab saum toj ntawm Cov Hluav Taws Xob Hluav Taws Xob Vaj huam sib luag thib ob txuas nrog hauv qab ntawm Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob thiab hluav taws kub tiv thaiv ciam teb.