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Before beginning his descent underground, Xi Sheng puts on a gray diving suit weighing 35 kilograms with the help of two people. The suit is made of rubber, and attached to a safety rope. On most workdays, Xi wears the suit for two to three hours to work in the sewers.
Before departing, Wang researched Mauritania, especially the city he was going to be posted in.
Before 1994, when work began on the Three Gorges project, Chinese companies could not build a 350,000 kW turbine.
Because of mission requirements, SpaceX did not attempt to retrieve the reusable Falcon 9's first stage after launch, according to SpaceX.
Beijing Enterprises Group Co Ltd, a major infrastructure builder in Beijing, said the company will use BeiDou to help accelerate the construction of Tongzhou district, which is designed to be the subsidiary administrative center of the capital.
来源：资阳报