A containment system comprising: a container; a lid; and a release mechanism comprising: a first member; a second member; and a separable element mechanically coupled to the first member and the second member; wherein, the separable element separates when heated to a predetermined temperature, releasing the first member from the second member, and separating the first member from the second member; wherein the release mechanism separably couples the lid and the container together to close the container; wherein the first member remains coupled to the lid when the release mechanism is separated; wherein the second member remains coupled to the container when the release mechanism is separated; characterized in that the second member includes a tendon that is rotatably coupled to the container; and the release mechanism further includes a tendon retainer, with the tendon held between the first member and the tendon retainer, prior to separation of the release mechanism; and it further comprises a latch that is rotatably coupled to the first member; and in that opposite ends of the separable element are fixedly attached to the tendon retainer and the latch, respectively. a container; a lid; and a release mechanism comprising: a first member; a second member; and a separable element mechanically coupled to the first member and the second member; wherein, the separable element separates when heated to a predetermined temperature, releasing the first member from the second member, and separating the first member from the second member; wherein the release mechanism separably couples the lid and the container together to close the container; wherein the first member remains coupled to the lid when the release mechanism is separated; wherein the second member remains coupled to the container when the release mechanism is separated; characterized in that the second member includes a tendon that is rotatably coupled to the container; and the release mechanism further includes a tendon retainer, with the tendon held between the first member and the tendon retainer, prior to separation of the release mechanism; and it further comprises a latch that is rotatably coupled to the first member; and in that opposite ends of the separable element are fixedly attached to the tendon retainer and the latch, respectively. a first member; a second member; and a separable element mechanically coupled to the first member and the second member; wherein, the separable element separates when heated to a predetermined temperature, releasing the first member from the second member, and separating the first member from the second member; wherein the release mechanism separably couples the lid and the container together to close the container; wherein the first member remains coupled to the lid when the release mechanism is separated; wherein the second member remains coupled to the container when the release mechanism is separated; characterized in that the second member includes a tendon that is rotatably coupled to the container; and the release mechanism further includes a tendon retainer, with the tendon held between the first member and the tendon retainer, prior to separation of the release mechanism; and it further comprises a latch that is rotatably coupled to the first member; and in that opposite ends of the separable element are fixedly attached to the tendon retainer and the latch, respectively.