Cov menyuam skates

Raws li ib qho ntawm cov kev ua lag luam cov menyuam yaus sib ntaus sib ceg thiab cov chaw muag khoom hauv Suav teb, peb sov siab txais tos cov menyuam yaus sib tw los ntawm peb cov khoom lag luam zoo rau peb rau cov khoom pheej yig ntau.