Sign up for an Award
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.
An earthquake is so unpredictable that even scientists cannot foresee when, where and how it breaks out, but it is possible to decrease additional casualties of the earthquake by using this Whistle.
it is similar to a whistle which can be blown in any direction and shaped like a ball so that it fits in any places. In addition, Whistle could be found in the dark easily because it is luminous.