| http://www.w3.org/ns/prov#value | - For example, fibers such as glass fiber, carbon fiber, pitch-based carbon fiber, polyacrylonitrile-based carbon fiber, aramid fiber, alumina fiber, polyester fiber, boron fiber, silicon carbide fiber, boron nitride fiber, silicon nitride fiber, metal fiber, and quartz wool; cloth formed by knitting these fibers; minerals such as calcium carbonate, talc, silica, clay, and mica, and the like; inorga
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