wind turbine under operational maintenance by a windtech technician climbing up the windmill alongsinde the rotor blade to inspect

air blades change check clean cleaning climate climber climbers climbing cord damage ecofriendly ecology electrical energy evaluation farm future generators global green greenery grid industry inspection interval lifespan maintenance modern operation pattern power production protection renewable repair reparation rope rotor sky sustainability sustainable sustainably technician technology turbine turbines warming wind windmill windtech worker