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Warning Triangle is a tool that is used to warn drivers behind to prevent
secondary accident. At environments such as curved roads or roads that
have limited visibility, the existing warning tools have low ability of warning
drivers behind. Warning Triangle uses helium has and lifting it up in the sky
by pulling a simple switch. The drivers behind can easily notice the sign and
be ready for the stopped car ahead and reduce speed.
Suwon, South Korea
Lee Hyun Hoo,