Photo de stock - A rotary kiln seen in a facility of Ibu-Tec in Weimar, Germany, 30 March 2017. The company works on powder materials used in electric cars batteries or for fixed storage facilities for green power, among others. It specializes in thermal methods, with temperatures ranging up to 1,500 degrees Celsius, and has registered numerous patents. Photo: Candy Welz / Arifoto Ug/dpa-Zentralbild/dpa | usage worldwide. - Weimar/Thuringia/Germany

Photo de stock: A rotary kiln seen in a facility of Ibu-Tec in Weimar, Germany, 30 March 2017. The company works on powder materials used in electric cars batteries or for.

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