Michael Klinger, the former country director of the GTZ in Yemen, built a kiln with the intention of making clay irrigation equipment, the market for which proved to be too small.

德国技术合作公司也门地区的前董事迈克尔克林格，为了制造粘土灌溉设备，建造了一座烘干窑。 后来发现粘土灌溉设备的市场太小了。

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It is an adaptation of the English module "Investing in Information for Development" produced by CTA, the Food and Agriculture Organization of the United Nations (FAO), GTZ (an international cooperation enterprise for sustainable development), the International Food Policy Research Institute (IFPRI) and the University of Wageningen.

UNESCO: Communication and Information