| http://www.w3.org/ns/prov#value | - The cap member 34, the mounting plate 40, the spring cartridge 48, and the spool 50 of the pull-cord keeper of the present invention consist of any durable and rigid material including, but not limited to, plastic materials such as polyamide, nylon, polyethylene, polychloropene, polyvinyl chloride, polyester, polypropylene, polystyrene, polytetrafluoroethene, and polyurethane, and the like.
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