Sign up for an Award
Participate with your entry in one of our professional or student awards.
Sign up for an awardLearn more:
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
Have you experienced someone take your umbrella away or umbrella be stolen when youre shopping ?
This is an umbrella with a lock, others will not be able to open it without a password, so that you can shop happily and no longer have to worry umbrella would disappear.
National Kaohsiung
Normal University
Fengyuan City, Taichung County 420, Taiwan
Assistant Professor Mei Tsen Jung
National Kaohsiung
Normal University
Fengyuan City, Taichung County 420, Taiwan
Shi Meng Luo