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Pop-top cans / Can

Pop-top  cans
Pop-top  cans

This can only need your hand gently pull, change the pressure inside it, and then gently twist will be very easy to open.

University

Nanjing Forestry University

Nanjing Forestry University
Nanjing, China

Design

Nanjing Forestry University

Nanjing Forestry University
Nanjing, China

Zailei Xin