nonpassing sight distancenonpelasticnonperennial canalnonpermanent flownonprismaticnonprismatic channelnonprismatic cross sectionnonprismatic membernonregulating fallnonstationary processnonsteady flownonstructuralnonstructural elementnonsustaining slopenonsymmetrical structurenontilting mixernontraversabe curbnontraversabe dividing stripnontraversabe mediannontraversabe stripnontrivial solutionnonuniform flownonuniform unsteady flownonviscousnonviscous fluidnonwatering liquidnonweaving movementsnonweaving vehiclesnormalnormal angle cameranormal artesian pressurenormal componentnormal coordinatesnormal density aggregatenormal depthnormal dischargenormal distributionnormal erosionnormal faultnormal flownormal forcenormal frequency distribution curvenormal hydrological valuenormal line of sightnormal mode of free vibrationnormal moisture capacitynormal operationnormal planenormal pool water levelnormal pressure surface