| http://www.w3.org/ns/prov#value | - Returning to FIG. 1, the insulator 12 of the insulation package 10 is desirably constructed of insulating material, such as aluminosilicate fibers, alumina fibers, or boron nitride fibers, that is porous in structure, lightweight, chemically stable, thermally stable, has excellent thermal insulation, and has low microwave absorption properties.
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