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.
Somtimes We don't know amount of the contents
inside wastebasket. If The trash is full, we will do
not know it. But One Button can see how much is
left. And by pressing the button in the garbage can
easily be pulled out.
Yongin-si, South Korea
Kyung Hee University
Yongin-si, Gyeonggi-do, South Korea