Lehare la turbine ea moea (lebili) ke e 'ngoe ea likarolo tsa mantlha tsa thepa ea matla a moea, e etsang karolo ea 15% - 20% ea kakaretso ea theko ea thepa.Moqapi oa eona o tla ama ka ho toba tshebetso le melemo ea thepa.
Li-fan blades li atisa ho sebelisoa ho li-fan, li-turbine blowers, li-root blowers le li-compressor tsa turbine.Li arotsoe ka mekhahlelo e robeli: centrifugal compressors, axial-flow compressors, compressor reciprocating, centrifugal blowers, root blowers, centrifugal Fans, axial-flow fans le ea ea blowers.