| http://www.w3.org/ns/prov#value | - Thus, the strands 16a/16b may be made from fibers of polyethylene, polypropylene, mixtures or blends of polyethylene and polypropylene, nylon and other polyamides, polyesters, polyacrylonitrile, vinyl chloride homo and co-polymers, polystyrene, polyvinylacetate, cellulose acetate and triacetate, viscose fibers and the like.
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