Stock Photo - A man holds up a sample of the rare metal tungsten are displayed in the procedural center of the H.C. Starck chemical company in Goslar, Germany, 03 February 2016. The state of Lower Saxony is supporting the construction of a recycling center (SRZ) for the Harz recycling sector with 4.2 million euros. Objects from former Harz metallurgical plants, as well as old waste dumps and mountain ponds, will be processed at the center in order to extract the rare metals. The rare metals can also be recycled from old technical devices like hard-drives and cellphones. Photo: Julian Stratenschulte/dpa | usage worldwide. - Goslar/Lower Saxony/Germany

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