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old english gearn, akin to old high german 's garn, "yarn", italian 's chordē, "string", and sanskrit 's hira, "band". [ ] materials[ edit ] yarn can be made from a number of natural or synthetic fibers . many types of yarn are made differently though. there are two main types of yarn: spun and filament
derived from natural gas and oil . synthetic fibers are generally extruded in continuous strands of gel-state materials. these strands are drawn (stretched), annealed (hardened), and cured to obtain properties desirable for later processing. synthetic fibers come in three basic forms: staple, tow, and filament...
https://en.wikipedia.org/wiki/Yarn