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excavator pob zeb thoob
Piv nrog rau lub thoob ruaj khov, pob zeb cug pob zeb yog ntau dua khov thiab txhim khu kev qha. Excavator pob zeb ntim yoog yoog tuab phaj, hauv qab ntxiv phaj txhawb ntxiv, ntxiv rau sab tiv thaiv phaj, nruab sab khwb phaj, muaj zog lub thoob ntim cov hniav sib dhos, haum rau siab hnav lub sijhawm, xws li gravel,
