| http://www.w3.org/ns/prov#value | - Examples of suitable materials for these sheets include laminates of polyethylene terephthalate polyester film (Mylar polyester) and polypropylene, and laminates of cellophane with low-density polyethylene; three-ply laminates, such as a laminate of Mylar polyester, aluminum foil and polypropylene, are also useful for manufacture of the containers.
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