| http://www.w3.org/ns/prov#value | - The polymer can be filled with a reinforcing substance, such as 10-40% filled with glass or carbon fiber. [0049] Plastics can be extruded with outer diameters of, for example, 4 mils (100 ??m) or less, and inner diameters of 2 mils (50 ??m) or less. [0050] Glass and suitable plastics can be drawn to suitable inner and outer diameters.
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