Stock Photo - 03 December 2018, Saxony, Freiberg: Matthias Kröger, head of the Institute for Machine Elements, Design and Manufacturing at the TU Bergakademie Freiberg, holds various machine-cracked macadamia nuts in his hand. Kröger developed a machine with which macadamia nuts can be cracked. The macadamia nut is one of the most expensive nuts in the world. The machine can split up to 100 kilograms of these very hard nuts per hour without damaging the soft core. The invention was developed in cooperation with Taita Taveta University in Voi, Kenya. Photo: Jan Woitas/dpa-Zentralbild/dpa. - Freiberg/Saxony/Germany

Stock Photo: 03 December 2018, Saxony, Freiberg: Matthias Kröger, head of the Institute for Machine Elements, Design and Manufacturing at the TU Bergakademie Freiberg.

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