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Claim 1

A CONTAINER COMPRISING AN OUTER WALL AND A LINER INSERTED THEREIN, SAID OUTER WALL HAVING A FIRST OPENING THEREIN, SAID LINER HAVING AN INNER WALL AREA UNDERLYING AND EMBRACING THE PORTION OF SAID OUTER WALL HAVING SAID FIRST OPENING, SAID INNER WALL AREA HAVING A SECOND AND SMALLER OPENING THEREIN IN ALIGNMENT WITH SAID FIRST OPENING, A REMOVABLE PLUG HINGEDLY CONNECTED TO SAID LINER FOR OPENING AND CLOSING SAID SECOND OPENING, AND A REMOVABLE SEAL DISPOSED IN SAID FIRST OPENING TO PREVENT REMOVAL OF SAID REMOVABLE PLUG FROM SAID SECOND OPENING WITHOUT FIRST REMOVING SAID SEAL, SAID REMOVABLE PLUG COMPRISING A CENTRAL BODY PORTION SUBSTANTIALLY CONGRUENT WITH SAID SECOND OPENING AND A RESILIENT FLANGE PORTION DISPOSED SUBSTANTIALLY PERPENDICULAR TO AND EXTENDING OUTWARDLY FROM ADJACENT THE PERIPHERY OF SAID BODY PORTION, SAID FLANGE PORTION INCLUDING A PAIR OF RETAINING MEMBERS SPACED APART A DISTANCE SUBSTANTIALLY EQUAL TO THE THICKNESS OF SAID LINER AND ADAPTED TO EMBRACE THE PORTION OF SAID LINER SURROUNDING SAID SECOND OPENING, A FIRST RESILIENT MEANS EXTENDING FROM ONE SIDE OF THE OUTER RETAINING MEMBER FOR HINGEDLY MOUNTING SAID PLUG ON SAID LINER ADJACENT SAID SECOND OPENING, AND A SECOND RESILIENT MEANS EXTENDING FROM ANOTHER SIDE OF THE OUTER RETAINING MEMBER TO PROVIDE A FINGER GRIP FOR REMOVAL OF SAID PLUG FROM SAID SECOND OPENING.