| http://www.w3.org/ns/prov#value | - Annealing separators may include a wide variety of substances such as calcium oxide, alumina, silica, or other refractory oxides, lime, and the like; but for purposes of an exemplary disclosure herein, the invention will be described in connection with the use of magnesia, e.g. MgO, it being understood that the invention is not so limited.
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