| http://www.w3.org/ns/prov#value | - Representative examples of commercially available films suitable for sealing layer 12 include Scotchpak films available from Minnesota Mining and Manufacturing Company of St. Paul, Minn., Mylar 50 OL-2 film, and Mylar 50 XM946 film, the latter two available from E. I. DuPont de Nemours and Company, Wilmington, Del.
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