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Suitable for suction,transportation and dumping soil and mud from various sewer man-hole,water wells and sediment.It is necessary tool for city sanitation department,waste processing company,big factory......,it can help to clean the sewer pipe undergroud,clean the sludge in the river around city, it also can help big factory to clean the greasy dirt and waste water.More specification about the vacuum tank please kindly refer to following information .