Can top with an overturnable tab

A top end for a can comprising:

• a disc-shaped panel comprising a disc-shaped flat section and an outer periphery to be engaged with an upper end of a can body, said disc-shaped flat section having a primary score to define a primary scored portion surrounded by said primary score and which forms a primary opening, said flat section further having a secondary score to define a secondary scored portion surrounded by said secondary score and which forms a secondary opening;
• and
• a stay-on type tab provided on said flat section having a connecting portion rotatably connected to a center portion of said flat section around an axis perpendicular to said flat section, said tab having a pull-up end and a push-down end, said tab having a top surface and a bottom surface, said bottom surface of said tab facing said flat section;
• wherein said primary scored portion is located below said push-down end of said tab to enable said primary scored portion to be opened by pulling up said pull-up end of said tab, and said secondary scored portion is located at a position facing said push-down end of said tab when said tab is rotated to a predetermined angle from an initial position, so that said secondary scored portion is opened to form said secondary opening by pulling up said pull-up end of said tab, said tab being overturnable such that said top surface of said tab facing said flat section and said push-down end being insertable into said secondary opening upon opening of said secondary opening by said tab so as to avoid interference with a portion of a person drinking from said primary opening of the can.