10 Kev teeb tsa pob qhov rooj hluav taws loj
Peb cov khoom, nrog rau qhov hnyav siab tshaj plaws ntawm 250kg, yog hluav taws kub, dej tsis nkag, dej noo thiab tiv taus xeb, thiab yog tus khub zoo tshaj plaws rau cov qhov rooj loj, cov qhov rooj hluav taws thiab cov qhov rooj cuab yeej hnyav. Lub qhov rooj hluav taws loj hauv daim vis dis aus yog peb qhov piv txwv. Nws yog 4....
saib cov ntsiab lus