The Navigation

By @barjun11/3/2018navigation

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Navigation was an important means of maintaining the safety of sailing for various boats. In economics, voyages are still being treated as the support industry. No special treatment, as applied by developed countries. Later, the forms of the conference that were tried in the navigation environment were still interpreted as a form of a cartel or economic monopoly. This cruise is not only an economy but is also used in sports

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