| http://www.w3.org/ns/prov#value | - The AO/CO preferably has a density of between about 0.91 and about 1.2 g/cm.sup.3, such as between about 0.920 and about 1.15 g/cm.sup.3, or between about 0.940 and about 1.10 g/cm.sup.3, or between about 0.950 and about 1.05 g/cm.sup.3, or
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