| http://www.w3.org/ns/prov#value | - Thus, depending on load requirements, either or both the top and/or bottom flanges of an I-joist of the invention may contain one or more of various reinforcing members, which may include aluminum or other alloys, or other materials such as carbon fiber, and may include rods, C- and/or M-shaped channels, channels with center slot, or other configurations, for supplying a desired structural reinfor
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