37 Maintenance, repair and construction of land vehicles and electric vehicles, namely, drivetrains, automatic drivetrains, powertrains comprising engines, transmissions, gears, and machine motors, subassemblies comprising an electric motor and a controller, subassemblies comprising an electric motor, a transmission and a controller, motors and electric motors, axial flux motors, magnet motors, transmissions, motors and engines, in-wheel electric motors, power transmissions