| http://www.w3.org/ns/prov#value | - Plastic, rubber, and elastomer closures, non-metal hoses, gaskets, seals, o-rings, and stoppers for use in keeping fluids, solids and gases and other materials from leaking out of pipe joints and fittings during the manufacturing of a wide variety of biopharmaceutical, food, dairy, beverage, and semiconductor products
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