9 Structural, hydrological, geotechnical, meteorological, chemical and climatological sensors, including but not limited to fiber optic sensors, for measuring physical characteristics in a system in the nature of vibration, strain, stress, load deflection, fluid or air pressure, displacement, fluid level, angular rotation, fluid flow, precipitation, wind speed, rainfall or snow-water equivalent, temperature, and pressure; Apparatus for monitoring strain, stress, load, fluid or air pressure, displacement, fluid level, angular rotation, fluid flow, precipitation, wind speed, rainfall or snow-water equivalent, temperature, pressure, and chemical change; Monitoring systems comprised of monitors for visualization, namely, computer monitors, optical interrogators and sensors sold as a unit, for measuring and monitoring physical characteristics in the nature of strain, stress, load deflection, fluid or air pressure, displacement, fluid level, angular rotation, fluid flow, precipitation, wind speed, rainfall or snow-water equivalent, temperature, pressure, and chemical change; Downloadable software, namely, software for use in real time analytics for asset base monitoring, management, forecasting and prediction of maintenance needs; downloadable software, namely, software for use in real time analytics that enables monitoring of transportation and structural assets in critical infrastructure for structural health, condition and usage