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Caution Balloon / Public Facilities

Caution Balloon

Drawing accidents are repeated every summer.
Caution Balloon prevents unexpected safety accident by sending out alert signal to swimmers on the water.

Caution Balloon indicates the depth of the shore.
The triangle-shaped part is filled with air to float the body on the water and a heavy weight in the bottom part sustains the body under the water.


Hansung University

Hansung University
Seoul, South Korea


Hansung University

Hansung University
Seoul, South Korea

Deok-kyu Jeong