Definitions of open loop circuit and closed loop circuit, their respective advantages and disadvantages in hydraulic systems.
Neumann Dredging has successfully undertaken many beach nourishment projects. Typically sand is dredged from channels that have silted up and have become dangerous to marine traffic. The sand can then be pumped to beach areas that may have suffered erosion.
For example, Tallebudgera and Currumbin Creeks are dredged every year during the winter and spring, finishing in time for the September school holidays.