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An employee kneels inside the casing of a H-class turbine on the assembly line of Siemens AGs gas turbine factory, in Berlin, Germany, on Tuesday, Feb 2, 2016, An employee polishes a burner hole inside the casing of a H-class turbine, An employee checks a component fitting on a H-class turbine, A hardhat sits beside a H-class turbine, An employee checks the blades on a F-class turbine, An employee checks a bolt component fitting on a H-class turbine, Pan across a F-class turbine