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In the past, when we opened a can with an opener, sometimes our fingers were cut by the sharp edge of the cover as we picked up the cover. The new design of can covers eliminates the need to touch the sharp edge when opening a can. Now opening a can is easy and, most importantly, safe.
National Taiwan University of
Science and Technology
Taipei, Taiwan
National Taiwan University of
Science and Technology
Taipei, Taiwan
hao-siang Min
National Taiwan Normal University
Taipei, Taiwan
cheng-ta Chiang