navigation canalnavigation channelnavigation riverneap tidenear endneat cementneckingneedleneedle bearingneedle valveneedle weirnegative artesian pressurenegative gradientnegative planenegative pore fluid pressurenegative progressive flownegative skin frictionnegative slopeneighborhood unitneopreneneoprene coatingnephoscopenervier stokes equationnetnet amount payable to contractornet cross sectionnet dimensionnet displacementnet effective lengthnet foundation pressurenet headnet lengthnet positive suction headnet sectionnet section efficiencynet tensile loadnet waternetworknetwork planningneutral axisneutral equilibriumneutral fiberneutral laminaneutral planeneutral pressureneutral rockneutral soilneutral stabilityneutral stressneutral surface