Air compressors; Axial flow blowers; Axial flow pumps; Centrifugal blowers; Centrifugal compressors; Ducted fans for motors and engines; Electric ducted fan (EDF) engines, not for land vehicles; Electric ducted fan (EDF) motors, not for land vehicles; Electric planes; Electric pumps; Motors for airplanes; Permanent magnet motors; Pneumatic pumps; Pump impellers; Rotating ducted fan motors, not for land vehicles