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When global response environmental protection, after each kind of electric appliance uses, should this pull out plug, but the plug captures not know places where, to make pulls out troublesome also to cause the wire chaotic not artistic to be possible .This simple plug will regard may the switch open a part, in addition I/O graphical and LED color switching user more direct coupling this circular jack condition.
National Cheng Kung University
Tainan, Taiwan
Chia-chun Lin
National Cheng Kung University
Tainan, Taiwan
Chia-chun Lin
Chi-yu Wu