Collecting information of related documents through many means on the basis of the documents provided by the GTZ projects in China.
以gtz在华项目提供的文献为基础，通过其他各种渠道收集相关文献信息。
2
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.