| http://www.w3.org/ns/prov#value | - Without limitation by enumeration, the following are examples of products which can be folded from sheet material using the slitting and grooving schemes of the present invention: trusses, beams, curved beams, coiled beams, beams within beams, enclosures, polyhedrons, stud walls, beam networks, enveloped beams, flanged beams, indeterminate multiple-piece flanged beams, machines, works of art and s
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