Sign up for
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
Taking the concept of gun to use in the life buoy, it can save people even in the long distance. The bullet of Life Buoy will full of air when it fired.
Hui-Yun Chen Wei-chin Lee Chin-Hsiang Wang Ju-Che Tsai