Excavators are working with Buckets to Clear Mud Sludge and Debris from the Bottom of the Drained River

drained river river bottom canal banks water river flow cleaning river clean river mud dredging sludge deep mud grab debris dirty polluted impure littery rubble backhoe ground sink land reclamation reclamation improvement excavators yellow excavator excavator bucket mud machine powerful engine large excavator digger dredging mechanical digger safely excavator works excavator moves sinking iron arm breaking angle construction equipment caterpillar regeneration project equipment rental business contract excavator operator are working hard job