prov:value
| - Often the fibers in the starting layer may comprise the natural fibers such as wool, jute; artificial fibers such as cellulose acetate; synthetic fibers such as cellulose acetate, polyvinyl alcohol, polyamides, nylon, polyester, acrylics, polyolefins, i.e. polyethylene, polyvinyl chloride, polyurethane, and the like, alone or in combination with one another.
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