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Businessman tests his mini-submarine in lake
After about two hours of testing in a lake in a private industrial zone in Thai Binh City, the mini submarine named Truong Sa, manufactured by a local businessman, could dive and resurface at the witness of hundreds of people.
Vietnam entrepreneur to test his submarine next week
VietNamNet Bridge – A businessman from the northern province of Thai Binh has announced to test his submarine, named Truong Sa, next week. The submarine has been put into a big tank, to get ready for the test.
