| http://www.w3.org/ns/prov#value | - The flexible layers 384 may be formed of any suitable materials or combination of suitable materials, including polymer materials such as polyimide, PEEK, polypropylene, polyacrylamide, polyacrylate, polymethacrylate, polyesters, polyolefins, polyethylene, polytetrafluoro-ethylene, poly (4-methylbutene), polystyrene, and poly(ethylene terephthalate).
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