| http://www.w3.org/ns/prov#value | - For the purpose of illustration, examples of my invention are shown in various forms in the accompanying drawing, in which Fig. 1 illustrates more or less diagrammatically a number of crumpled sheets arranged one above another; Fig. 2 is a sectional view of a hollow wooden wall construction with the improved insulation arranged therein; Fig. 3 is a section of a longitudinal pipe insulation; Fig. 4
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