prov:value
| - In another aspect of the invention, at least a portion of the transport element is made from a material such as boron nitride, aluminum nitride, copper, aluminum, nickel, alloys, graphite, expanded graphite, graphite cloth, graphite paper, aluminum foam, stainless steel foam, nickel foam, polyvinyl alcohol foam, glass microfibers, wool cloth, cotton paper, cotton cloth, polyurethane foam, cellulos
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