37 pump repair, restoration or maintenance; pump upgrade, namely, pump upgrades for pump efficiency; turbine repair, restoration, maintenance; turbine upgrade, namely, turbine upgrades for pump efficiency; maintenance, repair, upgrade, replacement or tuning of components, parts or systems in turbine generators; installation of renewable energy generation equipment; installation of pumps; installation of turbines; consultation in the field of turbine repair, restoration or maintenance; consultation in the field of pump repair, restoration or maintenance; consultation in the field of upgrades for turbines, namely, upgrades for turbine efficiency; consultation in the field of upgrades for pumps, namely, upgrades for pump efficiency; consultation in the field of upgrades for renewable energy generation plants, namely, upgrades for renewable energy generation plant efficiency; consultation in the field of rehabilitation for renewable energy generation plants; all the foregoing being in connection with hydroelectric power applications