Through survey research (Appendix 5), Vietnam has 54 different nationalities residing worldwide on most of the territories with the customs. Due to terrain factors as well as backward farming practices, the life of ethnic people and her children in the area west of the river water, the area of the border region, the island economy is also more difficult. Some areas still don't have electricity because the national grid has not been covered, this issue also directly influence the lives of living as well as production and business activities. So the lighting system for the cells where it is still very limited, but also completely without power.
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