| http://www.w3.org/ns/prov#value | - as polyvinyl alcohols and polyethylene glycols, polyolefins such as polyethylene, polypropylene, poly(ethylene-propylene) rubber and natural rubber, polyvinyl chloride, cellulose and modified cellulose derivatives such as rayon, rayon-triacetate, cellulose acetate, cellulose acetate butyrate, cellophane, cellulose nitrate, cellulose propionate, cellulose ethers such as carboxymethyl cellulose and
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