2. Carding: The lap is unrolled and drawn onto a revolving cylinder covered with fine hooks or wide bristles. These wide bristles pull the fibers in one direction, separate those which are individually tangled together and form them into a thin film. This process is known as carding.

4. Class-four wools: This class refers to half-breeds. Fiber length ranges from 1 to 16 inches, coarse, hairlike have relatively few scales and little crimp and are smooth and lustrous. Mainly used for carpets, rugs and inexpensive low-grade clothing.