求翻译：A month before social unrest erupted in RDC and unaware that such a civil war was to come, Soheyl's family left RDC Congo to initiate appropriate technology projects in two of the poorest countries of Southeast Asia, Lao PDR and Cambodia. Again, at his own initiative, Soheyl started job creation projects in over 100 villages in both Lao PDR and Cambodia using social enterprise development programs and appropriate technology as a base. During 7 years of his stay in Lao PDR, Soheyl provided training to many technicians and villagers in the generation and replication of a wide range of appropriate technologies including micro-hydropower turbines, in-stream turbines, biomass gasifiers, bicycle and motor-driven roof-tile making machines and low-cost building methods. He also recycled many pieces of army equipment left after the Vietnam war in Lao PDR and redesigned them into a wide range of towed equipment for road maintenance - these were sold to the Asian Development Bank to assist Lao PDR. He also started research on biofuels from plants locally called "Mak Niau". In that same period, Soheyl initiated cottage industries for Lao refugees including chalk manufacturing projects in Cambodia on behalf of CIDSE. He also carried a national survey of all UNICEF-funded water and sanitation projects in Lao PDR是什么意思？

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