Municipal, infrastructure, chemical, dyeing, pharmaceutical, shipbuilding, foundry, food and other industries may be used to pump thick liquid, dirty liquid, paste, quicksand and flowing sludge from urban rivers, etc., or coal mines may queue up to contain mud,A small gravel fluid. If combined with high pressure and water pine, the unit can also be used for excavating and transporting small water conservancy projects such as land leveling, dredging of river courses and ponds, and digging, etc., by means of hydraulic machinery, earthwork units, and other small water conservancy projects. As well as the city's air defense works, underground works.Fish culture is used to clear ponds with water, increase oxygen in fish ponds, and so on.