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Directing Mask can let the traffic police use the whistle without using the hand, caring both the directing easy and the body healthy while directing the road's condition. LED will shine when the user blow the whistle, raise attention of the drivers especially at night.
National Cheng Kung University
Industrial design department
Tainan City, Taiwan
National Cheng Kung University
Industrial design department
Tainan City, Taiwan
Yun-Cheng Chen,
Chia-Lin, Lee
