Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
Women and children usually have trouble opening the bottle.We use the way to extend the torque of increasing the force at the moment, so the bottle can be opened easily with one hand.
National Taipei University of Techn
Ming-Chin Yang,Tien-Li Chen
Graduate Institute of Innovation &
Chiayi County, Taiwan
chih-ching hou, po-han lin, li-yang kao