Axial fan condensers; Axial flow blowers; Compressors as parts of machines, motors and engines; Compressors for machines; Cooling radiators for motors and engines; Direct current motors; Ducted fans for motors and engines; Electric arc welders; Electric fans, ventilators and blowers for motors and engines; Electric vacuum cleaners and their components; Fans for motors and engines; Radiators for motors and engines; Radiators for vehicles; Vacuum pumps; Water aeration systems comprising water p...