Wind turbine blade (gudumu) ndi chimodzi mwazinthu zazikulu za zida zamagetsi zamagetsi, zomwe zimatengera pafupifupi 15% - 20% ya mtengo wonse wa zida.Mapangidwe ake adzakhudza mwachindunji ntchito ndi ubwino wa zipangizo.
Ma fan amagwiritsidwa ntchito kwambiri popanga mafani, zowuzira ma turbine, zowuzira mizu ndi ma turbine compressor.Iwo agawidwa m'magulu asanu ndi atatu: centrifugal compressor, axial-flow compressor, reciprocating compressor, centrifugal blowers, root blowers, centrifugal fans, axial-flow fans ndi inu zowulutsira inu.