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Green Eye / computer

Green Eye
Green Eye

When you leave your room in a hotel,the Green Eye will give you a mark by the green lignt or the red lignt.So,you should pay more money for the red lignt if you waste more water. On the contrary,you can get some discount if you get the green light.

University

Anhui University of Technology

Anhui University of Technology
Maanshan, China

Jiatan Liang,
Anhui University of Technology

Wang Xiang,
Anhui University of Technology

Sun Duowen,
Anhui University of Technology

Zhou Xue,
Anhui University of Technology