Txoj Kev Coj Qhwv Txhuas

Roadmarking iav hlaws dai
Nrhiav cov kev lag luam zoo ua cov iav hlaws nrog kev ua haujlwm zoo thiab cov nqi qis nrog DDG. Peb yog ib qho ntawm txoj kev ua cov iav hlaws cov hlaws hluav taws xob thiab cov khoom lag luam nrog tshaj 20 xyoo kev. Txhua yam iav cov khoom muaj nyob rau hauv peb lub Hoobkas yog tsim nyob rau hauv Suav teb thiab ua tau raws li cov qauv zoo tshaj plaws. Txais tos kom peb pheej yig roadmarking iav hlaws.