7 Generating plants, namely, electric power supply and emergency power supply generators; turbines for power generation; machines and devices for energy generation, energy saving, and energy recovery, namely, water turbines and water pumps; control mechanisms for machines, engines, or motors, namely, pump control systems comprised of high voltage generators, frequency drives, frequency inverters or contactors, float switches, and pressure sensors; turbine shafts being parts of machines; turbine blades for power generation; emergency power supply generators; hydraulic turbines; installations for ecological power generation, namely, fluid pumping installations consisting of brackets, floating bodies, fittings, tubes, cables, and pipes, pump installations consisting of impellers, motors, casings, bearings, shafts, and gaskets, and power installations consisting of relays, sensors, clutches and apparatus for power transmission other than for land vehicles, electric generators, electrical cabinets, plugs, and connectors