| http://www.w3.org/ns/prov#value | - Basically, the building element is composed of three elements, viz. a glass panel 16 and two lightweight and high strength pultruded bodies 12 and 14 which are made from a resin such as a polyester or epoxy resin having a high content of glass fibers for providing a coefficient of thermal expansion of the profiled bodies substantially corresponding to the coefficient of thermal expansion of glass.
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