3. Class-three wools: The fibers are from 4 to 18 inches long and are coarsened have few scales and less crimp than merino and class-two wool. Smoother and more lustrous. Good enough for clothing. Originated in U.K.

c. Closely woven starched cotton: Dip the fabric into mild soap solution for at least four hours. For uniform shrinkage the position of the cloth should be changed occasionally. It should then be removed and rinsed with cold water 3 to 4 times, and then allowed to dry without squeezing. The cloth should be pressed, before it is completely dry.