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Hot summer,swim at the beach is a very pleasant thing.But in the seaside entertainment,danger lurking around us.Rip current is a potential danger,often occur in the sea.Although it is not as terrible tsunami.
But if not handled properly,it is very easy to lose their lives.How is this product is designed to warn people struck rip current,but also directing people out of rip current.
Shenyang Aerosapce University