| prov:value
| - For example, the reinforcing winding 3 comprises a fiber reinforcement, such as carbon, aramide, glass, boron, Al2O3 fibers or mixtures (hybrid yarns) thereof, which are embedded in a matrix of thermosetting polymers, for example epoxy or phenol resins etc., or in thermoplastic polymers, for example PA12, PA6, PP etc.
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