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.
We have difficulty of carrying luggage taking the elevator alone.
Because the door is closing early.Because of that, these days there is a lot of accident.
Timer elevator was thought to secure these problems .
Timer elevator is solution.Turn, and it increases the time. Press, and it sets the time.
deagu, South Korea
won gi kim,
na eun kim,
ji young lee,