spanspan lengthspandrelspandrel beamsparsenessspatialspatial coordinatesspatial derivativespatial descriptionspatially varied flowspatially varied unsteady surface flowspatulaspecial capacity of a wellspecial equipmentspecial purpose outletspecial rapid hardening cementspecial structurespecialized concretespecific absorptionspecific areaspecific capacityspecific capacity of a wellspecific creepspecific dischargespecific drawdownspecific energyspecific energy curvespecific forcespecific force curvespecific gravityspecific headspecific heatspecific humidityspecific levelspecific massspecific permeabilityspecific resistivityspecific retentionspecific speedspecific storagespecific strain energyspecific surfacespecific volumespecific weightspecific workspecific yieldspecificationsspecified compressive strengthspecified speedspecified strength
