| http://www.w3.org/ns/prov#value | - Potential modifications to the arrangements shown in FIG. 4 will be apparent to persons skilled in the art, including the provision of fewer or moredies 12 or jackets 14.FIG. 5 shows how two or more modular units constructed from the apparatus shown in FIG. 4 can be held together to enable a plurality of extruded fibres to be produced.
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