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Cans tab easy to open / Sports / Leisure

Cans tab easy to open

The traditional cans tab is not easy to pull.Make the front of pull-tab bend upward,and it is good use for the elder and children.

University

Shandong University of Science and Technology

Shandong University of Science and Technology
Qingdao, China

Shulin Yu,
Shandong University of Science and Technology