42 Scientific, technological, and nature scientific services, namely, hydrological, hydraulic, hydrodynamic and geotechnical measurement, detection and monitoring for water management and underwater engineering; geological and maritime research; scientific and technological services, namely design, development, engineering and testing of instruments, indicators and controllers for hydrological, hydraulic, hydrodynamic and geotechnical measurement, detection and monitoring; device design, development, engineering and testing of instruments, indicators and controllers for water management and underwater engineering; design, development, engineering and testing of sensors based on laser and optical fibre technology for hydrological, hydraulic, hydrodynamic and geotechnical measurement, detection and monitoring; scientific and technological services, namely measurement, detection and monitoring of hydrological, hydraulic, hydrodynamic, geotechnical and other physical parameters for water management and underwater engineering; computer software development, computer programming and implementation, namely the development, programming and implementation of computer software for processing data from sensors that measure, detect and monitor using hydrological, hydraulic, hydrodynamic, geotechnical and other physical parameters