7 MACHINES AND PLANTS TO PRODUCE ENERGY, NAMELY, HYDRO-POWERED TURBINES AND ELECTRICITY GENERATORS
9 SHUT-OFF MEANS, NAMELY, AUTOMATIC VALVES; APPARATUS AND DEVICES FOR CONTROLLING MACHINES AND PLANTS TO PRODUCE ENERGY, AND FOR CONTROLLING HYDRO-POWERED TURBINES AND GENERATORS, NAMELY, ELECTRICAL CONTROLLERS
42 ARCHITECTURAL DESIGN, NAMELY, PLANNING OF PLANTS TO PRODUCE ENERGY