| http://www.w3.org/ns/prov#value | - Thus, despite the longstanding search for improved resilience, the variety of approaches pursued by the polymers, fiber and yarn, and carpet industries over the years, and propylene polymer yarns' superiority over other carpet yarns in virtually every respect other than resilience, the fact remains that propylene polymer yarns remain a distant second to nylon as carpet face yarns, especially in re
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