prov:value
| - films such as of polyethylene terephthalate, polypropylene, polyethylene and vinyl chloride, paper such as kraft paper, high quality paper, clay coated paper and Japanese paper, non-woven fabrics such as of rayon, polyester, woven fabrics made of synthetic fibers such as polyester, nylon and acryl, and metal foils such as of aluminum, copper and stainless steel are used, and a plastic film is pre
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