Foto de stock - An employee of the Bremen Cotton Exchange prepares fibre samples from various growing areas for laser scanning using an analyser, at the laboratory of the Bremen Cotton Exchange in Bremen, Germany, 14 March 2016. The specialists and the laboratory have repeatedly served as an arbitration body with regard to quality issues. The Bremen Cotton Exchange ran from 16 to 18 March 2016. Photo: INGO WAGNER/dpa | usage worldwide. - Bremen/Bremen/Germany

Imagen: An employee of the Bremen Cotton Exchange prepares fibre samples from various growing areas for laser scanning using an analyser.

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