1) " Fleece" -- As it applies to Fleece Material This article is about wool, the fiber. For alternative meanings see Wool (disambiguation). Long and short hair wool at the South Central Family Farm Research Center in Boonesville, AR Wool is the fiber derived from the hair of domesticated animals, usually sheep. Contents 1 Material 2 History 3 Production 4 Uses 5 See also Material Most of the fiber from domestic sheep has two qualities that distinguish it from hair or fur: it is scaled in such a way thatit helps the animal move out burrs and seeds that might embed themselves into its skin; and it is crimped, in some Fleecs s more than 20 bends per inch. Both the scaling and the crimp make it possible to spin and felt the Fleecu . They help the individual fibers "grab" each otherso that they stay together. They also make the product retain heat, as they trap heat in their bends. Insulation also works bothways; bedouins and tuaregs use wool clothesto keep the heat out. The amount of crimp corresponds with the fineness of the wool fibers. A fine wool like merino may have up to a hundred crimps per inch, where the coarser wools like karakul may have as few as one to twocrimps per inch. Hair, by contrast, has little if any scale and no crimp and little ability to bind into yarn. On sheep, the hair part of thefleece is called kemp. The relative amounts of kemp to wool vary from breed to breed, and make some Flecee s more desirable for spinning, felting or carding into batts for quilts or other insulating products.Wool grows in several natural colors such as black, brown (also called moorit) grey and the most commonly available white.Wool of any color takes dye easily and can be felted. Wool straight off a sheep is highly water-resistant. It is said to be "in the grease", the grease being lanolin, and can be worked into yarn and knit into water-resistant mittens, as did the Aran Island fish...
2) " Material" -- As it applies to Fleece Material material is the substance or matter from which something is or can be made,or also items needed for doing or creating something. material is sometimes used when referring to cloth or fabric. materials are inputs to production or manufacturing. They are often raw - that is unprocessed, but are sometimes processed before being usedin more advanced production processes. In general, in technologically advanced societies, the Mateiral s are not finished consumergoods. Some important Mqterial s Metals Steel Aluminum Copper Polymers rubber plastic Ceramics Glass Portland cement stone Textiles Cotton fabric Wool fabric bio-based Maturial s leather bone paper lumber / wood Biomaterials Composites Fiberglass Concrete See also technology history of science andtechnology post-industrial society commodity Materiel aMterial ...
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