Txoj moo

Mechanical tu method: sweeper thiab scraper tu txoj kev, laum yeeb nkab tu txoj kev, tua peening tu txoj kev.

Cov khoom yuav tsum tau ntxuav kom huv si yuav tsum tau muab tso rau ntawm txoj siv thauj khoom thiab tsis txhob nias rau ntawm cov menyuam

Xyuas seb puas muaj cua nkag hauv cov kav dej, thiab yog tias qhov no tshwm sim, cov neeg saib xyuas yuav tsum tau ceeb toom kom kho.

Cov tshuab ntxhua khaub ncaws rau dej yaug thiab lim cov khoom paug tsim los yog ntxeem tau thaum lub sijhawm tsim khoom, sib dhos, siv thiab tu cov tshuab hydraulic