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| - Other fillers which may be employed include, but are not limited to, clay, talc, asbestos, graphite, glass, mica, calcium metasilicate, barium sulfate, zinc sulfide, aluminum hydroxide, silicates, diatomaceous earth, carbonates such as calcium carbonate, magnesium carbonate and the like, metals and metal alloys, such as titanium, tungsten, aluminum, bismuth, nickel, molybdenum, iron, copper, brass
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