| http://www.w3.org/ns/prov#value | - The receptacle can be for example and preferably a bag, filled with gas or on the contrary evacuated of gas, constituted by a flexible material such as an elastomer, KRATON??? (hydrogenated, block/triblock, isoprene-styrene rubber), rubber, etc . . . , and for example obtained from an elongated tube notably heat sealed and cut up at regular intervals.
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