documented rotor blades reports maintenance contracts on-site repairs with heated lorry or tent repairs of rotor blades cleaning of rotor blades fitting of erosion protection foils endoscopic examination of the rotorblade interior reports on the condition of the tower tower repairs internal and external cleaning of towers maintenance and repair of lightning protection removal of oil damage cone repair setting, maintenance and exchange of tips attachment and repair of vortexes removal of insured losses surface coating - ROTOR PROTECT