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Have it ever dawned on you that it is troublesome and energy-consuming when you try to open the zip-top can or other types of merchandises wrapped by zip-top cans? The traditional way of opening a can with great effort will come to an end as the development of our new way of opening a can by means of a pull-tab. What you need to do is just to gently pull the tab and take the lid away. In this way, the liquid inside won’t spill out because of the force. Furthermore, the pull-tab is in the shape of arc, which makes it easier to pull up the tab.