7 Machinery, namely, wind turbines for electricity generation and distribution and energy storage for wind power farms; wind turbine electrical apparatus, namely electric generators
9 Instruments for controlling wind turbine electrical apparatus, motors, and generators, namely, voltage, current, frequency, speed, and temperature measuring units
42 Technical consultation and research concerning the supervision and monitoring of wind turbine electrical apparatus, motors, and generators, measuring electrical quantities, and data acquisition and control of electrical quantities in wind turbine electrical apparatus, motors, and generators