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When in use, a hand contact plug surface arbitrary, circuit switched off immediately, when the hands leave, three seconds after the normal use of electricity. The design of the man-machine engineering principle, act in accordance with the use, the arrow sign to remind people of methods of safe use of electricity, away from danger. USB socket design in two directions, different groups in different environment, different views can be convenient to use.
Estern Academy of Fine Arts Zhengzhou University of Light Industry
Yongcheng City, China
qingqingzhu,
Estern Academy of Fine Arts Zhengzhou University of Light Industry
