A metal end closure adapted for interconnection to a can body, comprising: a central panel with a peripheral curl on a perimeter edge; a force applying means for applying an opening force on a portion of said central panel and adapted to rotate, in a plane which is substantially parallel to said central panel, between a first opening position and a second opening position, wherein said force applying means comprises a pull tab; pivot means interconnected on said central panel for pivotally mounting said force applying means on said central panel, wherein said pivot means comprises a rivet; a first opening portion positioned within the perimeter of said central panel, said first opening portion comprising a first severable score line substantially defining said first opening portion; a second vent opening portion positioned within the perimeter of said central panel, said second vent opening portion comprising a second severable score line substantially defining said second vent opening portion; and a transition portion adapted to prevent a fracture propagation of said severable score line of said first opening portion into said severable score line of said second vent opening portion, and wherein said force applying means is used in said first opening position to selectively open said first opening portion and in said second opening position to open said second vent opening portion, characterized in that said first an second opening positions are not further than 90 degrees apart, and said second vent opening portion is positioned proximate to said first opening portion, and wherein the transition portion comprises a curvature in the first severable score line departing from a general path of the first severable score line to define a gap with a predetermined width, wherein the first severable score line and the second severable score line are separated by the gap, and wherein the width of the gap is between 0.3048 mm (0.012 inches) and 0.381 mm (0.015 inches). a central panel with a peripheral curl on a perimeter edge; a force applying means for applying an opening force on a portion of said central panel and adapted to rotate, in a plane which is substantially parallel to said central panel, between a first opening position and a second opening position, wherein said force applying means comprises a pull tab; pivot means interconnected on said central panel for pivotally mounting said force applying means on said central panel, wherein said pivot means comprises a rivet; a first opening portion positioned within the perimeter of said central panel, said first opening portion comprising a first severable score line substantially defining said first opening portion; a second vent opening portion positioned within the perimeter of said central panel, said second vent opening portion comprising a second severable score line substantially defining said second vent opening portion; and a transition portion adapted to prevent a fracture propagation of said severable score line of said first opening portion into said severable score line of said second vent opening portion, and wherein said force applying means is used in said first opening position to selectively open said first opening portion and in said second opening position to open said second vent opening portion,