| http://www.w3.org/ns/prov#value | - Metals such as stainless steel, nickel, copper, iron or other magnetic metals and alloys, palladium, tungsten, platinum, and the like maybe made into various forms including fibers, sintered sheets and structures, such as sintered stainless steel or nickel filters, woven screens and non-woven mats, fabrics and felts such as stainless steel wool.
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