| http://www.w3.org/ns/prov#value | - In addition to natural fibers, staple-fiber yarns (spun yarns) made of polyamide fibers (PA6, perlon; PA6.6 nylon), polypropylene, polyester or other man-made fibers, as well as of blends of such fibers, are being used to manufacture tufted, woven or knitted carpets.
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