mining tailings pond cleaning machine for gold in sweden

1)Sludge treatment / tank cleaning / garbage pool / thickener cleaning / barge unloading 2)Garbage pit / incineration pit cleaning / waste pond dredging / sewage pit cleaning 3)Gold tailings mining / ball mill cleaning / sedimentation tank / underground soft mud collection pool / transport tunnel excavation / tailings landfill 4)Coking plant ...