Cov txheej txheem thiab cov txiaj ntsig ntawm cov khoom siv rov ua tau dua tshiab

Siv pov tseg ntawv ua piv txwv. Cov txheej txheem rov ua dua tshiab suav nrog kev rov ua dua tshiab rau lub Hoobkas kom ua cov khoom lag luam raw txuas ntxiv → rankenating cov khoom lag luam zoo ib puag ncig. Piv txwv li, cov ntaub ntawv tsis sib xws, ntxuav, tshuaj dawb, thiab tom qab ntawd nqaij ntses los ua ib hom khoom siv tshiab. Ib tuj ntawm daim ntawv pov tseg tuaj yeem tsim 850 phaus ntawm cov ntoo zoo, txuag tau rau {}}}}}}}}}} save save}}}}}}}}}}}} tons save save}}} tons}}} tons}}} tons}}} tons}} tons tons}}}}} save}}}} save}}} tons}}} tons}} tons tons} year year} 600 degrees ntawm hluav taws xob, thiab txo qis ntau ntawm cov khib nyiab.