| http://www.w3.org/ns/prov#value | - The guiding parameters in the selection of skirting construction and material are a flexibility necessary to allow it to deflect locally when struck by obstacles, a rigidity which resists outward deflection under the influence of the cushion pressure, and holds the skirting in the normally extended position shown in the drawings, and which impels re-assumption of that shape and position after defl
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