narrower concept artificial lake Concept caisson foundation Concept desalination(sea-water) Concept drilled well Concept drinking water pipeline Concept drinking water processing Concept drinking water reservoir Concept equalizing tank Concept fire fighting water supply Concept gallery Concept ground-water line Concept ground-water reservoir Concept hydrant system Concept immersion storage in water Concept irrigation canal Concept irrigation system Concept long distance water pipeline Concept penstock Concept pipe network Concept pipeline Concept pumped storage station Concept pumping plant Concept pumping station Concept sag pipe Concept service trench Concept sewage engineering Concept storage basin Concept storage reservoir Concept supply line Concept swimming pool engineering Concept tank structure Concept underwater pipeline Concept water gallery Concept water heating Concept water pipeline Concept water pollution Concept water reservoir Concept water tank Concept water tower Concept water treatment Concept water treatment plant Concept waterworks Concept well Concept