See also. 1  Conversion of units, for comparison with other units of length. 2  Cubic metre. 3  Metric prefix. 4  Mileage. 5  Odometer. 6  Orders of magnitude (length) 7  Square kilometre.
Wool is the fiber from the fleece of the sheep or lamb or hair of the Angora or Cashmere goat (and may include the so-called specialty fibers from the hair of the camel, alpaca, llama, and vicuna) which has never been reclaimed from any woven or felted wool product. Virgin wool and new wool are also used to refer to such never used wool.
Wool means soft hair derived from the fleece of sheep or other animals. Wool is a type of yarn. Yarn generally refers to long continuous interlocked fibers that may be used for textiles, knitting, weaving, etc. Yarn may be of different materials including cotton, animal fleece, synthetic, etc. Cotton or synthetic yarn would generally be used to produce textiles or fabric.